21105517680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:263

約数の個数: 960

約数和(自身を含む): 88226496000

約数和(自身を除く): 67120978320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 19, 20, 24, 26, 27, 30, 34, 36, 38, 39, 40, 45, 48, 51, 52, 54, 57, 60, 65, 68, 72, 76, 78, 80, 85, 90, 95, 102, 104, 108, 114, 117, 120, 130, 135, 136, 144, 152, 153, 156, 169, 170, 171, 179, 180, 190, 195, 204, 208, 216, 221, 228, 234, 240, 247, 255, 260, 270, 272, 285, 304, 306, 312, 323, 338, 340, 342, 351, 358, 360, 380, 390, 408, 432, 442, 456, 459, 468, 494, 507, 510, 513, 520, 537, 540, 570, 585, 612, 624, 646, 663, 676, 680, 684, 702, 716, 720, 741, 760, 765, 780, 816, 845, 855, 884, 895, 912, 918, 936, 969, 988, 1014, 1020, 1026, 1040, 1074, 1080, 1105, 1140, 1170, 1224, 1235, 1292, 1326, 1352, 1360, 1368, 1404, 1432, 1482, 1520, 1521, 1530, 1560, 1611, 1615, 1690, 1710, 1755, 1768, 1790, 1836, 1872, 1938, 1976, 1989, 2028, 2040, 2052, 2148, 2160, 2210, 2223, 2280, 2295, 2327, 2340, 2448, 2470, 2535, 2565, 2584, 2652, 2685, 2704, 2736, 2808, 2864, 2873, 2907, 2964, 3042, 3043, 3060, 3120, 3211, 3222, 3230, 3315, 3380, 3401, 3420, 3510, 3536, 3580, 3672, 3705, 3876, 3952, 3978, 4056, 4080, 4104, 4199, 4296, 4420, 4446, 4560, 4563, 4590, 4654, 4680, 4833, 4845, 4940, 5070, 5130, 5168, 5304, 5370, 5616, 5746, 5814, 5928, 5967, 6084, 6086, 6120, 6422, 6444, 6460, 6630, 6669, 6760, 6802, 6840, 6981, 7020, 7160, 7344, 7410, 7605, 7752, 7956, 8055, 8112, 8208, 8398, 8592, 8619, 8721, 8840, 8892, 9126, 9129, 9180, 9308, 9360, 9633, 9666, 9690, 9880, 9945, 10140, 10203, 10260, 10608, 10740, 11115, 11492, 11628, 11635, 11856, 11934, 12168, 12172, 12240, 12597, 12844, 12888, 12920, 13260, 13338, 13520, 13604, 13680, 13962, 14040, 14320, 14365, 14535, 14820, 15210, 15215, 15504, 15912, 16055, 16110, 16796, 17005, 17238, 17442, 17680, 17784, 18252, 18258, 18360, 18616, 19266, 19332, 19380, 19760, 19890, 20280, 20406, 20520, 20943, 20995, 21480, 22230, 22815, 22984, 23256, 23270, 23868, 24165, 24336, 24344, 25194, 25688, 25776, 25840, 25857, 26520, 26676, 27208, 27387, 27924, 28080, 28730, 28899, 29070, 29640, 29835, 30251, 30420, 30430, 30609, 31824, 32110, 32220, 33345, 33592, 34010, 34476, 34884, 34905, 35568, 36504, 36516, 36720, 37232, 37791, 38532, 38664, 38760, 39559, 39780, 40560, 40812, 41040, 41886, 41990, 42960, 43095, 43605, 44213, 44460, 45630, 45645, 45968, 46512, 46540, 47736, 48165, 48330, 48688, 50388, 51015, 51376, 51714, 53040, 53352, 54416, 54587, 54774, 55848, 57460, 57798, 57817, 58140, 59280, 59670, 60502, 60840, 60860, 61218, 62829, 62985, 64220, 64440, 66690, 67184, 68020, 68952, 69768, 69810, 73008, 73032, 75582, 77064, 77328, 77520, 77571, 79118, 79560, 81624, 82161, 83772, 83980, 86190, 86697, 87210, 88426, 88920, 90753, 91260, 91290, 91827, 93080, 95472, 96330, 96660, 100776, 102030, 103428, 104715, 106704, 109174, 109548, 111696, 113373, 114920, 115596, 115634, 116280, 118677, 119340, 121004, 121680, 121720, 122436, 125658, 125970, 128440, 128880, 129285, 132639, 133380, 136040, 136935, 137904, 139536, 139620, 144495, 146064, 151164, 151255, 153045, 154128, 155142, 158236, 159120, 163248, 163761, 164322, 167544, 167960, 172380, 173394, 173451, 174420, 176852, 177840, 181506, 182520, 182580, 183654, 186160, 188955, 192660, 193320, 197795, 201552, 204060, 206856, 209430, 218348, 219096, 221065, 226746, 229840, 231192, 231268, 232560, 237354, 238680, 242008, 243440, 244872, 251316, 251940, 256880, 258570, 265278, 266760, 272080, 272259, 272935, 273870, 279240, 288990, 289085, 302328, 302510, 306090, 310284, 314145, 316472, 327522, 328644, 335088, 335920, 344760, 346788, 346902, 348840, 353704, 356031, 363012, 365040, 365160, 367308, 377910, 385320, 386640, 387855, 395590, 397917, 408120, 410805, 413712, 418860, 433485, 436696, 438192, 442130, 453492, 453765, 459135, 462384, 462536, 474708, 477360, 484016, 489744, 491283, 502632, 503880, 514267, 517140, 520353, 530556, 533520, 544518, 545870, 547740, 558480, 566865, 574769, 577980, 578170, 593385, 604656, 605020, 612180, 620568, 628290, 632944, 655044, 657288, 663195, 689520, 693576, 693804, 697680, 707408, 712062, 726024, 730320, 734616, 751621, 755820, 770640, 775710, 791180, 795834, 816240, 816777, 818805, 821610, 837720, 866970, 867255, 873392, 884260, 906984, 907530, 918270, 925072, 949416, 982566, 1005264, 1007760, 1028534, 1034280, 1040706, 1061112, 1068093, 1089036, 1091740, 1095480, 1133730, 1149538, 1155960, 1156340, 1186770, 1193751, 1210040, 1224360, 1241136, 1256580, 1310088, 1314576, 1326390, 1361295, 1387152, 1387608, 1424124, 1452048, 1469232, 1473849, 1503242, 1511640, 1542801, 1551420, 1561059, 1582360, 1591668, 1633554, 1637610, 1643220, 1675440, 1724307, 1733940, 1734510, 1768520, 1780155, 1813968, 1815060, 1836540, 1898832, 1965132, 1989585, 2057068, 2068560, 2081412, 2122224, 2136186, 2178072, 2183480, 2190960, 2254863, 2267460, 2299076, 2311920, 2312680, 2373540, 2387502, 2420080, 2448720, 2456415, 2513160, 2571335, 2601765, 2620176, 2652780, 2722590, 2775216, 2848248, 2873845, 2947698, 3006484, 3023280, 3085602, 3102840, 3122118, 3164720, 3183336, 3267108, 3275220, 3286440, 3448614, 3467880, 3469020, 3537040, 3560310, 3630120, 3673080, 3758105, 3930264, 3979170, 4083885, 4114136, 4162824, 4272372, 4356144, 4366960, 4509726, 4534920, 4598152, 4625360, 4628403, 4747080, 4775004, 4912830, 5026320, 5142670, 5172921, 5203530, 5305560, 5340465, 5445180, 5696496, 5747690, 5895396, 5968755, 6012968, 6171204, 6205680, 6244236, 6366672, 6534216, 6550440, 6572880, 6764589, 6897228, 6935760, 6938040, 7120620, 7260240, 7346160, 7369245, 7516210, 7714005, 7805295, 7860528, 7958340, 8167770, 8228272, 8325648, 8544744, 8621535, 9019452, 9069840, 9196304, 9256806, 9494160, 9550008, 9771073, 9825660, 10285340, 10345842, 10407060, 10611120, 10680930, 10890360, 11274315, 11495380, 11790792, 11937510, 12025936, 12342408, 12488472, 13068432, 13100880, 13529178, 13794456, 13876080, 13885209, 14241240, 14738490, 15032420, 15428010, 15518763, 15610590, 15916680, 16335540, 17089488, 17243070, 18038904, 18513612, 19100016, 19542146, 19651320, 20293767, 20570680, 20691684, 20814120, 21361860, 21780720, 22548630, 22990760, 23142015, 23581584, 23875020, 24684816, 24976944, 25864605, 27058356, 27588912, 27770418, 28482480, 29313219, 29476980, 30064840, 30856020, 31037526, 31221180, 31833360, 32671080, 33822945, 34486140, 36077808, 37027224, 39084292, 39302640, 40587534, 41141360, 41383368, 41628240, 42723720, 45097260, 45981520, 46284030, 47750040, 48855365, 51729210, 54116712, 55540836, 58626438, 58953960, 60129680, 61712040, 62075052, 62442360, 65342160, 67645890, 68972280, 69426045, 74054448, 77593815, 78168584, 81175068, 82766736, 85447440, 87939657, 90194520, 92568060, 95500080, 97710730, 101468835, 103458420, 108233424, 111081672, 117252876, 117907920, 123424080, 124150104, 124884720, 135291780, 137944560, 138852090, 146566095, 155187630, 156337168, 162350136, 175879314, 180389040, 185136120, 195421460, 202937670, 206916840, 222163344, 234505752, 248300208, 263818971, 270583560, 277704180, 293132190, 310375260, 324700272, 351758628, 370272240, 390842920, 405875340, 413833680, 439698285, 469011504, 527637942, 541167120, 555408360, 586264380, 620750520, 703517256, 781685840, 811750680, 879396570, 1055275884, 1110816720, 1172528760, 1241501040, 1319094855, 1407034512, 1623501360, 1758793140, 2110551768, 2345057520, 2638189710, 3517586280, 4221103536, 5276379420, 7035172560, 10552758840, 21105517680]

約数ペア:

[(1, 21105517680), (2, 10552758840), (3, 7035172560), (4, 5276379420), (5, 4221103536), (6, 3517586280), (8, 2638189710), (9, 2345057520), (10, 2110551768), (12, 1758793140), (13, 1623501360), (15, 1407034512), (16, 1319094855), (17, 1241501040), (18, 1172528760), (19, 1110816720), (20, 1055275884), (24, 879396570), (26, 811750680), (27, 781685840), (30, 703517256), (34, 620750520), (36, 586264380), (38, 555408360), (39, 541167120), (40, 527637942), (45, 469011504), (48, 439698285), (51, 413833680), (52, 405875340), (54, 390842920), (57, 370272240), (60, 351758628), (65, 324700272), (68, 310375260), (72, 293132190), (76, 277704180), (78, 270583560), (80, 263818971), (85, 248300208), (90, 234505752), (95, 222163344), (102, 206916840), (104, 202937670), (108, 195421460), (114, 185136120), (117, 180389040), (120, 175879314), (130, 162350136), (135, 156337168), (136, 155187630), (144, 146566095), (152, 138852090), (153, 137944560), (156, 135291780), (169, 124884720), (170, 124150104), (171, 123424080), (179, 117907920), (180, 117252876), (190, 111081672), (195, 108233424), (204, 103458420), (208, 101468835), (216, 97710730), (221, 95500080), (228, 92568060), (234, 90194520), (240, 87939657), (247, 85447440), (255, 82766736), (260, 81175068), (270, 78168584), (272, 77593815), (285, 74054448), (304, 69426045), (306, 68972280), (312, 67645890), (323, 65342160), (338, 62442360), (340, 62075052), (342, 61712040), (351, 60129680), (358, 58953960), (360, 58626438), (380, 55540836), (390, 54116712), (408, 51729210), (432, 48855365), (442, 47750040), (456, 46284030), (459, 45981520), (468, 45097260), (494, 42723720), (507, 41628240), (510, 41383368), (513, 41141360), (520, 40587534), (537, 39302640), (540, 39084292), (570, 37027224), (585, 36077808), (612, 34486140), (624, 33822945), (646, 32671080), (663, 31833360), (676, 31221180), (680, 31037526), (684, 30856020), (702, 30064840), (716, 29476980), (720, 29313219), (741, 28482480), (760, 27770418), (765, 27588912), (780, 27058356), (816, 25864605), (845, 24976944), (855, 24684816), (884, 23875020), (895, 23581584), (912, 23142015), (918, 22990760), (936, 22548630), (969, 21780720), (988, 21361860), (1014, 20814120), (1020, 20691684), (1026, 20570680), (1040, 20293767), (1074, 19651320), (1080, 19542146), (1105, 19100016), (1140, 18513612), (1170, 18038904), (1224, 17243070), (1235, 17089488), (1292, 16335540), (1326, 15916680), (1352, 15610590), (1360, 15518763), (1368, 15428010), (1404, 15032420), (1432, 14738490), (1482, 14241240), (1520, 13885209), (1521, 13876080), (1530, 13794456), (1560, 13529178), (1611, 13100880), (1615, 13068432), (1690, 12488472), (1710, 12342408), (1755, 12025936), (1768, 11937510), (1790, 11790792), (1836, 11495380), (1872, 11274315), (1938, 10890360), (1976, 10680930), (1989, 10611120), (2028, 10407060), (2040, 10345842), (2052, 10285340), (2148, 9825660), (2160, 9771073), (2210, 9550008), (2223, 9494160), (2280, 9256806), (2295, 9196304), (2327, 9069840), (2340, 9019452), (2448, 8621535), (2470, 8544744), (2535, 8325648), (2565, 8228272), (2584, 8167770), (2652, 7958340), (2685, 7860528), (2704, 7805295), (2736, 7714005), (2808, 7516210), (2864, 7369245), (2873, 7346160), (2907, 7260240), (2964, 7120620), (3042, 6938040), (3043, 6935760), (3060, 6897228), (3120, 6764589), (3211, 6572880), (3222, 6550440), (3230, 6534216), (3315, 6366672), (3380, 6244236), (3401, 6205680), (3420, 6171204), (3510, 6012968), (3536, 5968755), (3580, 5895396), (3672, 5747690), (3705, 5696496), (3876, 5445180), (3952, 5340465), (3978, 5305560), (4056, 5203530), (4080, 5172921), (4104, 5142670), (4199, 5026320), (4296, 4912830), (4420, 4775004), (4446, 4747080), (4560, 4628403), (4563, 4625360), (4590, 4598152), (4654, 4534920), (4680, 4509726), (4833, 4366960), (4845, 4356144), (4940, 4272372), (5070, 4162824), (5130, 4114136), (5168, 4083885), (5304, 3979170), (5370, 3930264), (5616, 3758105), (5746, 3673080), (5814, 3630120), (5928, 3560310), (5967, 3537040), (6084, 3469020), (6086, 3467880), (6120, 3448614), (6422, 3286440), (6444, 3275220), (6460, 3267108), (6630, 3183336), (6669, 3164720), (6760, 3122118), (6802, 3102840), (6840, 3085602), (6981, 3023280), (7020, 3006484), (7160, 2947698), (7344, 2873845), (7410, 2848248), (7605, 2775216), (7752, 2722590), (7956, 2652780), (8055, 2620176), (8112, 2601765), (8208, 2571335), (8398, 2513160), (8592, 2456415), (8619, 2448720), (8721, 2420080), (8840, 2387502), (8892, 2373540), (9126, 2312680), (9129, 2311920), (9180, 2299076), (9308, 2267460), (9360, 2254863), (9633, 2190960), (9666, 2183480), (9690, 2178072), (9880, 2136186), (9945, 2122224), (10140, 2081412), (10203, 2068560), (10260, 2057068), (10608, 1989585), (10740, 1965132), (11115, 1898832), (11492, 1836540), (11628, 1815060), (11635, 1813968), (11856, 1780155), (11934, 1768520), (12168, 1734510), (12172, 1733940), (12240, 1724307), (12597, 1675440), (12844, 1643220), (12888, 1637610), (12920, 1633554), (13260, 1591668), (13338, 1582360), (13520, 1561059), (13604, 1551420), (13680, 1542801), (13962, 1511640), (14040, 1503242), (14320, 1473849), (14365, 1469232), (14535, 1452048), (14820, 1424124), (15210, 1387608), (15215, 1387152), (15504, 1361295), (15912, 1326390), (16055, 1314576), (16110, 1310088), (16796, 1256580), (17005, 1241136), (17238, 1224360), (17442, 1210040), (17680, 1193751), (17784, 1186770), (18252, 1156340), (18258, 1155960), (18360, 1149538), (18616, 1133730), (19266, 1095480), (19332, 1091740), (19380, 1089036), (19760, 1068093), (19890, 1061112), (20280, 1040706), (20406, 1034280), (20520, 1028534), (20943, 1007760), (20995, 1005264), (21480, 982566), (22230, 949416), (22815, 925072), (22984, 918270), (23256, 907530), (23270, 906984), (23868, 884260), (24165, 873392), (24336, 867255), (24344, 866970), (25194, 837720), (25688, 821610), (25776, 818805), (25840, 816777), (25857, 816240), (26520, 795834), (26676, 791180), (27208, 775710), (27387, 770640), (27924, 755820), (28080, 751621), (28730, 734616), (28899, 730320), (29070, 726024), (29640, 712062), (29835, 707408), (30251, 697680), (30420, 693804), (30430, 693576), (30609, 689520), (31824, 663195), (32110, 657288), (32220, 655044), (33345, 632944), (33592, 628290), (34010, 620568), (34476, 612180), (34884, 605020), (34905, 604656), (35568, 593385), (36504, 578170), (36516, 577980), (36720, 574769), (37232, 566865), (37791, 558480), (38532, 547740), (38664, 545870), (38760, 544518), (39559, 533520), (39780, 530556), (40560, 520353), (40812, 517140), (41040, 514267), (41886, 503880), (41990, 502632), (42960, 491283), (43095, 489744), (43605, 484016), (44213, 477360), (44460, 474708), (45630, 462536), (45645, 462384), (45968, 459135), (46512, 453765), (46540, 453492), (47736, 442130), (48165, 438192), (48330, 436696), (48688, 433485), (50388, 418860), (51015, 413712), (51376, 410805), (51714, 408120), (53040, 397917), (53352, 395590), (54416, 387855), (54587, 386640), (54774, 385320), (55848, 377910), (57460, 367308), (57798, 365160), (57817, 365040), (58140, 363012), (59280, 356031), (59670, 353704), (60502, 348840), (60840, 346902), (60860, 346788), (61218, 344760), (62829, 335920), (62985, 335088), (64220, 328644), (64440, 327522), (66690, 316472), (67184, 314145), (68020, 310284), (68952, 306090), (69768, 302510), (69810, 302328), (73008, 289085), (73032, 288990), (75582, 279240), (77064, 273870), (77328, 272935), (77520, 272259), (77571, 272080), (79118, 266760), (79560, 265278), (81624, 258570), (82161, 256880), (83772, 251940), (83980, 251316), (86190, 244872), (86697, 243440), (87210, 242008), (88426, 238680), (88920, 237354), (90753, 232560), (91260, 231268), (91290, 231192), (91827, 229840), (93080, 226746), (95472, 221065), (96330, 219096), (96660, 218348), (100776, 209430), (102030, 206856), (103428, 204060), (104715, 201552), (106704, 197795), (109174, 193320), (109548, 192660), (111696, 188955), (113373, 186160), (114920, 183654), (115596, 182580), (115634, 182520), (116280, 181506), (118677, 177840), (119340, 176852), (121004, 174420), (121680, 173451), (121720, 173394), (122436, 172380), (125658, 167960), (125970, 167544), (128440, 164322), (128880, 163761), (129285, 163248), (132639, 159120), (133380, 158236), (136040, 155142), (136935, 154128), (137904, 153045), (139536, 151255), (139620, 151164), (144495, 146064)]