20681335080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:274

約数の個数: 768

約数和(自身を含む): 84169612800

約数和(自身を除く): 63488277720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 61, 63, 70, 72, 73, 76, 84, 90, 95, 97, 105, 114, 120, 122, 126, 133, 140, 146, 152, 168, 171, 180, 183, 190, 194, 210, 219, 228, 244, 252, 266, 280, 285, 291, 292, 305, 315, 342, 360, 365, 366, 380, 388, 399, 420, 427, 438, 456, 485, 488, 504, 511, 532, 549, 570, 582, 584, 610, 630, 657, 665, 679, 684, 730, 732, 760, 776, 798, 840, 854, 855, 873, 876, 915, 970, 1022, 1064, 1095, 1098, 1140, 1159, 1164, 1197, 1220, 1260, 1281, 1314, 1330, 1358, 1368, 1387, 1455, 1460, 1464, 1533, 1596, 1708, 1710, 1746, 1752, 1830, 1843, 1940, 1995, 2037, 2044, 2135, 2190, 2196, 2280, 2318, 2328, 2394, 2440, 2520, 2555, 2562, 2628, 2660, 2716, 2745, 2774, 2910, 2920, 3066, 3192, 3285, 3395, 3416, 3420, 3477, 3492, 3660, 3686, 3843, 3880, 3990, 4074, 4088, 4161, 4270, 4365, 4380, 4392, 4453, 4599, 4636, 4788, 5110, 5124, 5256, 5320, 5432, 5490, 5529, 5548, 5795, 5820, 5917, 5985, 6111, 6132, 6405, 6570, 6790, 6840, 6935, 6954, 6984, 7081, 7320, 7372, 7665, 7686, 7980, 8113, 8148, 8322, 8540, 8730, 8760, 8906, 9198, 9215, 9272, 9576, 9709, 10185, 10220, 10248, 10431, 10980, 11058, 11096, 11590, 11640, 11834, 11970, 12222, 12264, 12483, 12810, 12901, 13140, 13359, 13580, 13870, 13908, 14162, 14744, 15330, 15372, 15960, 16226, 16296, 16587, 16644, 17080, 17385, 17460, 17751, 17812, 18396, 18430, 19215, 19418, 20370, 20440, 20805, 20862, 21243, 21960, 22116, 22265, 22995, 23180, 23668, 23940, 24339, 24444, 24966, 25620, 25802, 26280, 26718, 27160, 27645, 27740, 27816, 28324, 29127, 29585, 30555, 30660, 30744, 31171, 32452, 33174, 33288, 34770, 34920, 35405, 35502, 35624, 36792, 36860, 38430, 38703, 38836, 40077, 40565, 40740, 41419, 41610, 41724, 42486, 44232, 44530, 45990, 46360, 47336, 47880, 48545, 48678, 48888, 49567, 49932, 51240, 51604, 52155, 53253, 53436, 55290, 55480, 56648, 58254, 59170, 61110, 61320, 62342, 62415, 63729, 64505, 64904, 66348, 66795, 69540, 70810, 71004, 73017, 73720, 76860, 77406, 77672, 80154, 81130, 81480, 82838, 82935, 83220, 83448, 84607, 84972, 87381, 88755, 89060, 91980, 93513, 97090, 97356, 99134, 99864, 103208, 104310, 106215, 106506, 106872, 110580, 112423, 116109, 116508, 118340, 121695, 122220, 124257, 124684, 124830, 127458, 129010, 132696, 133590, 134539, 139080, 141620, 142008, 145635, 146034, 148701, 153720, 154812, 155855, 160308, 162260, 165676, 165870, 166440, 169214, 169944, 174762, 177510, 178120, 183960, 187026, 193515, 194180, 194712, 198268, 200385, 207095, 208620, 212430, 213012, 221160, 224846, 232218, 233016, 236680, 243390, 244440, 247835, 248514, 249368, 249660, 253821, 254916, 258020, 266265, 267180, 269078, 280539, 283240, 291270, 292068, 297402, 309624, 311710, 318645, 320616, 324520, 331352, 331740, 337269, 338428, 349524, 355020, 365085, 372771, 374052, 387030, 388360, 396536, 400770, 403617, 414190, 417240, 423035, 424860, 426024, 431941, 436905, 446103, 449692, 464436, 467565, 486780, 495670, 497028, 499320, 507642, 509832, 516040, 532530, 534360, 538156, 561078, 562115, 580545, 582540, 584136, 592249, 594804, 621285, 623420, 637290, 663480, 672695, 674538, 676856, 699048, 710040, 730170, 743505, 745542, 748104, 761463, 774060, 786961, 801540, 807234, 828380, 846070, 849720, 863882, 873810, 892206, 899384, 928872, 935130, 941773, 973560, 991340, 994056, 1011807, 1015284, 1065060, 1076312, 1122156, 1124230, 1161090, 1165080, 1184498, 1189608, 1210851, 1242570, 1246840, 1269105, 1274580, 1295823, 1345390, 1349076, 1402695, 1460340, 1487010, 1491084, 1522926, 1548120, 1573922, 1603080, 1614468, 1656760, 1686345, 1692140, 1727764, 1747620, 1776747, 1784412, 1863855, 1870260, 1883546, 1982680, 2018085, 2023614, 2030568, 2130120, 2159705, 2230515, 2244312, 2248460, 2322180, 2360883, 2368996, 2421702, 2485140, 2538210, 2549160, 2591646, 2690780, 2698152, 2805390, 2825319, 2920680, 2961245, 2974020, 2982168, 3023587, 3045852, 3147844, 3228936, 3372690, 3384280, 3455528, 3495240, 3553494, 3568824, 3727710, 3740520, 3767092, 3807315, 3887469, 3934805, 4036170, 4047228, 4319410, 4461030, 4496920, 4644360, 4708865, 4721766, 4737992, 4843404, 4970280, 5059035, 5076420, 5183292, 5330241, 5381560, 5610780, 5650638, 5922490, 5948040, 6047174, 6054255, 6091704, 6295688, 6479115, 6745380, 7082649, 7106988, 7455420, 7534184, 7614630, 7774938, 7869610, 8072340, 8094456, 8206879, 8475957, 8638820, 8883735, 8922060, 9070761, 9417730, 9443532, 9686808, 10118070, 10152840, 10366584, 10660482, 11221560, 11301276, 11804415, 11844980, 12094348, 12108510, 12958230, 13490760, 14126595, 14165298, 14213976, 14910840, 15117935, 15229260, 15549876, 15739220, 16144680, 16413758, 16951914, 17277640, 17767470, 17844120, 18141522, 18835460, 18887064, 19437345, 20236140, 21320964, 22602552, 23608830, 23689960, 24188696, 24217020, 24620637, 25916460, 26651205, 27212283, 28253190, 28330596, 30235870, 30458520, 31099752, 31478440, 32827516, 33903828, 35413245, 35534940, 36283044, 37670920, 38874690, 40472280, 41034395, 42379785, 42641928, 45353805, 47217660, 48434040, 49241274, 51832920, 53302410, 54424566, 56506380, 56661192, 57448153, 60471740, 65655032, 67807656, 70826490, 71069880, 72566088, 73861911, 77749380, 82068790, 84759570, 90707610, 94435320, 98482548, 106604820, 108849132, 113012760, 114896306, 120943480, 123103185, 136061415, 141652980, 147723822, 155498760, 164137580, 169519140, 172344459, 181415220, 196965096, 213209640, 217698264, 229792612, 246206370, 272122830, 283305960, 287240765, 295447644, 328275160, 339038280, 344688918, 362830440, 369309555, 459585224, 492412740, 517033377, 544245660, 574481530, 590895288, 689377836, 738619110, 861722295, 984825480, 1034066754, 1088491320, 1148963060, 1378755672, 1477238220, 1723444590, 2068133508, 2297926120, 2585166885, 2954476440, 3446889180, 4136267016, 5170333770, 6893778360, 10340667540, 20681335080]

約数ペア:

[(1, 20681335080), (2, 10340667540), (3, 6893778360), (4, 5170333770), (5, 4136267016), (6, 3446889180), (7, 2954476440), (8, 2585166885), (9, 2297926120), (10, 2068133508), (12, 1723444590), (14, 1477238220), (15, 1378755672), (18, 1148963060), (19, 1088491320), (20, 1034066754), (21, 984825480), (24, 861722295), (28, 738619110), (30, 689377836), (35, 590895288), (36, 574481530), (38, 544245660), (40, 517033377), (42, 492412740), (45, 459585224), (56, 369309555), (57, 362830440), (60, 344688918), (61, 339038280), (63, 328275160), (70, 295447644), (72, 287240765), (73, 283305960), (76, 272122830), (84, 246206370), (90, 229792612), (95, 217698264), (97, 213209640), (105, 196965096), (114, 181415220), (120, 172344459), (122, 169519140), (126, 164137580), (133, 155498760), (140, 147723822), (146, 141652980), (152, 136061415), (168, 123103185), (171, 120943480), (180, 114896306), (183, 113012760), (190, 108849132), (194, 106604820), (210, 98482548), (219, 94435320), (228, 90707610), (244, 84759570), (252, 82068790), (266, 77749380), (280, 73861911), (285, 72566088), (291, 71069880), (292, 70826490), (305, 67807656), (315, 65655032), (342, 60471740), (360, 57448153), (365, 56661192), (366, 56506380), (380, 54424566), (388, 53302410), (399, 51832920), (420, 49241274), (427, 48434040), (438, 47217660), (456, 45353805), (485, 42641928), (488, 42379785), (504, 41034395), (511, 40472280), (532, 38874690), (549, 37670920), (570, 36283044), (582, 35534940), (584, 35413245), (610, 33903828), (630, 32827516), (657, 31478440), (665, 31099752), (679, 30458520), (684, 30235870), (730, 28330596), (732, 28253190), (760, 27212283), (776, 26651205), (798, 25916460), (840, 24620637), (854, 24217020), (855, 24188696), (873, 23689960), (876, 23608830), (915, 22602552), (970, 21320964), (1022, 20236140), (1064, 19437345), (1095, 18887064), (1098, 18835460), (1140, 18141522), (1159, 17844120), (1164, 17767470), (1197, 17277640), (1220, 16951914), (1260, 16413758), (1281, 16144680), (1314, 15739220), (1330, 15549876), (1358, 15229260), (1368, 15117935), (1387, 14910840), (1455, 14213976), (1460, 14165298), (1464, 14126595), (1533, 13490760), (1596, 12958230), (1708, 12108510), (1710, 12094348), (1746, 11844980), (1752, 11804415), (1830, 11301276), (1843, 11221560), (1940, 10660482), (1995, 10366584), (2037, 10152840), (2044, 10118070), (2135, 9686808), (2190, 9443532), (2196, 9417730), (2280, 9070761), (2318, 8922060), (2328, 8883735), (2394, 8638820), (2440, 8475957), (2520, 8206879), (2555, 8094456), (2562, 8072340), (2628, 7869610), (2660, 7774938), (2716, 7614630), (2745, 7534184), (2774, 7455420), (2910, 7106988), (2920, 7082649), (3066, 6745380), (3192, 6479115), (3285, 6295688), (3395, 6091704), (3416, 6054255), (3420, 6047174), (3477, 5948040), (3492, 5922490), (3660, 5650638), (3686, 5610780), (3843, 5381560), (3880, 5330241), (3990, 5183292), (4074, 5076420), (4088, 5059035), (4161, 4970280), (4270, 4843404), (4365, 4737992), (4380, 4721766), (4392, 4708865), (4453, 4644360), (4599, 4496920), (4636, 4461030), (4788, 4319410), (5110, 4047228), (5124, 4036170), (5256, 3934805), (5320, 3887469), (5432, 3807315), (5490, 3767092), (5529, 3740520), (5548, 3727710), (5795, 3568824), (5820, 3553494), (5917, 3495240), (5985, 3455528), (6111, 3384280), (6132, 3372690), (6405, 3228936), (6570, 3147844), (6790, 3045852), (6840, 3023587), (6935, 2982168), (6954, 2974020), (6984, 2961245), (7081, 2920680), (7320, 2825319), (7372, 2805390), (7665, 2698152), (7686, 2690780), (7980, 2591646), (8113, 2549160), (8148, 2538210), (8322, 2485140), (8540, 2421702), (8730, 2368996), (8760, 2360883), (8906, 2322180), (9198, 2248460), (9215, 2244312), (9272, 2230515), (9576, 2159705), (9709, 2130120), (10185, 2030568), (10220, 2023614), (10248, 2018085), (10431, 1982680), (10980, 1883546), (11058, 1870260), (11096, 1863855), (11590, 1784412), (11640, 1776747), (11834, 1747620), (11970, 1727764), (12222, 1692140), (12264, 1686345), (12483, 1656760), (12810, 1614468), (12901, 1603080), (13140, 1573922), (13359, 1548120), (13580, 1522926), (13870, 1491084), (13908, 1487010), (14162, 1460340), (14744, 1402695), (15330, 1349076), (15372, 1345390), (15960, 1295823), (16226, 1274580), (16296, 1269105), (16587, 1246840), (16644, 1242570), (17080, 1210851), (17385, 1189608), (17460, 1184498), (17751, 1165080), (17812, 1161090), (18396, 1124230), (18430, 1122156), (19215, 1076312), (19418, 1065060), (20370, 1015284), (20440, 1011807), (20805, 994056), (20862, 991340), (21243, 973560), (21960, 941773), (22116, 935130), (22265, 928872), (22995, 899384), (23180, 892206), (23668, 873810), (23940, 863882), (24339, 849720), (24444, 846070), (24966, 828380), (25620, 807234), (25802, 801540), (26280, 786961), (26718, 774060), (27160, 761463), (27645, 748104), (27740, 745542), (27816, 743505), (28324, 730170), (29127, 710040), (29585, 699048), (30555, 676856), (30660, 674538), (30744, 672695), (31171, 663480), (32452, 637290), (33174, 623420), (33288, 621285), (34770, 594804), (34920, 592249), (35405, 584136), (35502, 582540), (35624, 580545), (36792, 562115), (36860, 561078), (38430, 538156), (38703, 534360), (38836, 532530), (40077, 516040), (40565, 509832), (40740, 507642), (41419, 499320), (41610, 497028), (41724, 495670), (42486, 486780), (44232, 467565), (44530, 464436), (45990, 449692), (46360, 446103), (47336, 436905), (47880, 431941), (48545, 426024), (48678, 424860), (48888, 423035), (49567, 417240), (49932, 414190), (51240, 403617), (51604, 400770), (52155, 396536), (53253, 388360), (53436, 387030), (55290, 374052), (55480, 372771), (56648, 365085), (58254, 355020), (59170, 349524), (61110, 338428), (61320, 337269), (62342, 331740), (62415, 331352), (63729, 324520), (64505, 320616), (64904, 318645), (66348, 311710), (66795, 309624), (69540, 297402), (70810, 292068), (71004, 291270), (73017, 283240), (73720, 280539), (76860, 269078), (77406, 267180), (77672, 266265), (80154, 258020), (81130, 254916), (81480, 253821), (82838, 249660), (82935, 249368), (83220, 248514), (83448, 247835), (84607, 244440), (84972, 243390), (87381, 236680), (88755, 233016), (89060, 232218), (91980, 224846), (93513, 221160), (97090, 213012), (97356, 212430), (99134, 208620), (99864, 207095), (103208, 200385), (104310, 198268), (106215, 194712), (106506, 194180), (106872, 193515), (110580, 187026), (112423, 183960), (116109, 178120), (116508, 177510), (118340, 174762), (121695, 169944), (122220, 169214), (124257, 166440), (124684, 165870), (124830, 165676), (127458, 162260), (129010, 160308), (132696, 155855), (133590, 154812), (134539, 153720), (139080, 148701), (141620, 146034), (142008, 145635)]