20801370240

素因数分解:

$2^7\times 3^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:495

約数の個数: 960

約数和(自身を含む): 91172822400

約数和(自身を除く): 70371452160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 49, 54, 56, 57, 60, 63, 64, 70, 72, 76, 80, 81, 84, 90, 95, 96, 98, 105, 108, 112, 114, 120, 126, 128, 133, 135, 140, 144, 147, 152, 160, 162, 168, 171, 180, 189, 190, 192, 196, 210, 216, 224, 228, 240, 245, 252, 266, 270, 280, 285, 288, 294, 304, 315, 320, 324, 336, 342, 360, 378, 380, 384, 392, 399, 405, 420, 431, 432, 441, 448, 456, 480, 490, 504, 513, 532, 540, 560, 567, 570, 576, 588, 608, 630, 640, 648, 665, 672, 684, 720, 735, 756, 760, 784, 798, 810, 840, 855, 862, 864, 882, 896, 912, 931, 945, 960, 980, 1008, 1026, 1064, 1080, 1120, 1134, 1140, 1152, 1176, 1197, 1216, 1260, 1293, 1296, 1323, 1330, 1344, 1368, 1440, 1470, 1512, 1520, 1539, 1568, 1596, 1620, 1680, 1710, 1724, 1728, 1764, 1824, 1862, 1890, 1920, 1960, 1995, 2016, 2052, 2128, 2155, 2160, 2205, 2240, 2268, 2280, 2352, 2394, 2432, 2520, 2565, 2586, 2592, 2646, 2660, 2688, 2736, 2793, 2835, 2880, 2940, 3017, 3024, 3040, 3078, 3136, 3192, 3240, 3360, 3420, 3448, 3456, 3528, 3591, 3648, 3724, 3780, 3879, 3920, 3969, 3990, 4032, 4104, 4256, 4310, 4320, 4410, 4480, 4536, 4560, 4655, 4704, 4788, 5040, 5130, 5172, 5184, 5292, 5320, 5472, 5586, 5670, 5760, 5880, 5985, 6034, 6048, 6080, 6156, 6272, 6384, 6465, 6480, 6615, 6720, 6840, 6896, 7056, 7182, 7296, 7448, 7560, 7695, 7758, 7840, 7938, 7980, 8064, 8189, 8208, 8379, 8512, 8620, 8640, 8820, 9051, 9072, 9120, 9310, 9408, 9576, 10080, 10260, 10344, 10368, 10584, 10640, 10773, 10944, 11172, 11340, 11637, 11760, 11970, 12068, 12096, 12160, 12312, 12768, 12930, 12960, 13230, 13440, 13680, 13792, 13965, 14112, 14364, 14896, 15085, 15120, 15390, 15516, 15680, 15876, 15960, 16378, 16416, 16758, 17024, 17240, 17280, 17640, 17955, 18102, 18144, 18240, 18620, 18816, 19152, 19395, 19845, 20160, 20520, 20688, 21119, 21168, 21280, 21546, 21888, 22344, 22680, 23274, 23520, 23940, 24136, 24192, 24567, 24624, 25137, 25536, 25860, 25920, 26460, 27153, 27360, 27584, 27930, 28224, 28728, 29792, 30170, 30240, 30780, 31032, 31360, 31752, 31920, 32756, 32832, 33516, 34480, 34911, 35280, 35910, 36204, 36288, 36480, 37240, 38304, 38790, 39690, 40320, 40945, 41040, 41376, 41895, 42238, 42336, 42560, 43092, 44688, 45255, 45360, 46548, 47040, 47880, 48272, 49134, 49248, 50274, 51072, 51720, 51840, 52920, 53865, 54306, 54720, 55168, 55860, 56448, 57323, 57456, 58185, 59584, 60340, 60480, 61560, 62064, 63357, 63504, 63840, 65512, 65664, 67032, 68960, 69822, 70560, 71820, 72408, 72576, 73701, 74480, 75411, 76608, 77580, 79380, 81459, 81890, 82080, 82752, 83790, 84476, 84672, 85120, 86184, 89376, 90510, 90720, 93096, 94080, 95760, 96544, 98268, 98496, 100548, 103440, 105595, 105840, 107730, 108612, 109440, 111720, 114646, 114912, 116370, 119168, 120680, 120960, 122835, 123120, 124128, 125685, 126714, 127008, 127680, 131024, 134064, 135765, 137920, 139644, 141120, 143640, 144816, 147402, 148960, 150822, 153216, 155160, 158760, 162918, 163780, 164160, 165504, 167580, 168952, 169344, 171969, 172368, 174555, 178752, 181020, 181440, 186192, 190071, 191520, 193088, 196536, 196992, 201096, 206880, 211190, 211680, 215460, 217224, 221103, 223440, 229292, 229824, 232740, 241360, 244377, 245670, 246240, 248256, 251370, 253428, 254016, 255360, 262048, 268128, 271530, 275840, 279288, 282240, 286615, 287280, 289632, 294804, 297920, 301644, 310320, 316785, 317520, 325836, 327560, 328320, 335160, 337904, 343938, 344736, 349110, 357504, 362040, 362880, 368505, 372384, 377055, 380142, 383040, 386176, 393072, 401261, 402192, 407295, 413760, 422380, 423360, 430920, 434448, 442206, 446880, 458584, 459648, 465480, 482720, 488754, 491340, 492480, 496512, 502740, 506856, 508032, 515907, 524096, 536256, 543060, 558576, 570213, 573230, 574560, 579264, 589608, 595840, 603288, 620640, 633570, 635040, 651672, 655120, 663309, 670320, 675808, 687876, 689472, 698220, 724080, 737010, 744768, 754110, 760284, 766080, 786144, 802522, 804384, 814590, 827520, 844760, 846720, 859845, 861840, 868896, 884412, 893760, 917168, 930960, 950355, 965440, 977508, 982680, 984960, 1005480, 1013712, 1031814, 1048192, 1072512, 1086120, 1105515, 1117152, 1140426, 1146460, 1149120, 1158528, 1179216, 1203783, 1206576, 1221885, 1241280, 1267140, 1270080, 1303344, 1310240, 1326618, 1340640, 1351616, 1375752, 1378944, 1396440, 1448160, 1474020, 1489536, 1508220, 1520568, 1547721, 1572288, 1605044, 1608768, 1629180, 1689520, 1710639, 1719690, 1723680, 1737792, 1768824, 1787520, 1834336, 1861920, 1900710, 1930880, 1955016, 1965360, 2006305, 2010960, 2027424, 2063628, 2172240, 2211030, 2234304, 2280852, 2292920, 2298240, 2358432, 2407566, 2413152, 2443770, 2482560, 2534280, 2540160, 2579535, 2606688, 2620480, 2653236, 2681280, 2703232, 2751504, 2792880, 2851065, 2896320, 2948040, 3016440, 3041136, 3095442, 3144576, 3210088, 3217536, 3258360, 3316545, 3379040, 3421278, 3439380, 3447360, 3475584, 3537648, 3611349, 3668672, 3723840, 3801420, 3910032, 3930720, 4012610, 4021920, 4054848, 4127256, 4344480, 4422060, 4468608, 4561704, 4585840, 4643163, 4716864, 4815132, 4826304, 4887540, 5068560, 5159070, 5213376, 5240960, 5306472, 5362560, 5503008, 5585760, 5702130, 5792640, 5896080, 6018915, 6032880, 6082272, 6190884, 6420176, 6516720, 6633090, 6758080, 6842556, 6878760, 6894720, 7075296, 7222698, 7337344, 7447680, 7602840, 7738605, 7820064, 7861440, 8025220, 8043840, 8109696, 8254512, 8553195, 8688960, 8844120, 9123408, 9171680, 9286326, 9433728, 9630264, 9652608, 9775080, 10137120, 10318140, 10426752, 10612944, 10834047, 11006016, 11171520, 11404260, 11792160, 12037830, 12065760, 12164544, 12381768, 12840352, 13033440, 13266180, 13516160, 13685112, 13757520, 14150592, 14445396, 15205680, 15477210, 15640128, 15722880, 16050440, 16087680, 16509024, 17106390, 17377920, 17688240, 18056745, 18246816, 18343360, 18572652, 19260528, 19550160, 20274240, 20636280, 21225888, 21668094, 22012032, 22343040, 22808520, 23215815, 23584320, 24075660, 24131520, 24329088, 24763536, 25680704, 26066880, 26532360, 27370224, 27515040, 28301184, 28890792, 30411360, 30954420, 31280256, 32100880, 32502141, 33018048, 34212780, 35376480, 36113490, 36493632, 36686720, 37145304, 38521056, 39100320, 40548480, 41272560, 42451776, 43336188, 45617040, 46431630, 47168640, 48151320, 48263040, 49527072, 51361408, 52133760, 53064720, 54170235, 54740448, 55030080, 57781584, 60822720, 61908840, 64201760, 65004282, 66036096, 68425560, 70752960, 72226980, 72987264, 74290608, 77042112, 78200640, 82545120, 84903552, 86672376, 91234080, 92863260, 96302640, 99054144, 106129440, 108340470, 109480896, 110060160, 115563168, 121645440, 123817680, 128403520, 130008564, 136851120, 141505920, 144453960, 148581216, 154084224, 156401280, 162510705, 165090240, 173344752, 182468160, 185726520, 192605280, 198108288, 212258880, 216680940, 218961792, 231126336, 247635360, 256807040, 260017128, 273702240, 288907920, 297162432, 325021410, 330180480, 346689504, 364936320, 371453040, 385210560, 424517760, 433361880, 462252672, 495270720, 520034256, 547404480, 577815840, 594324864, 650042820, 693379008, 742906080, 770421120, 866723760, 990541440, 1040068512, 1094808960, 1155631680, 1300085640, 1386758016, 1485812160, 1733447520, 2080137024, 2311263360, 2600171280, 2971624320, 3466895040, 4160274048, 5200342560, 6933790080, 10400685120, 20801370240]

約数ペア:

[(1, 20801370240), (2, 10400685120), (3, 6933790080), (4, 5200342560), (5, 4160274048), (6, 3466895040), (7, 2971624320), (8, 2600171280), (9, 2311263360), (10, 2080137024), (12, 1733447520), (14, 1485812160), (15, 1386758016), (16, 1300085640), (18, 1155631680), (19, 1094808960), (20, 1040068512), (21, 990541440), (24, 866723760), (27, 770421120), (28, 742906080), (30, 693379008), (32, 650042820), (35, 594324864), (36, 577815840), (38, 547404480), (40, 520034256), (42, 495270720), (45, 462252672), (48, 433361880), (49, 424517760), (54, 385210560), (56, 371453040), (57, 364936320), (60, 346689504), (63, 330180480), (64, 325021410), (70, 297162432), (72, 288907920), (76, 273702240), (80, 260017128), (81, 256807040), (84, 247635360), (90, 231126336), (95, 218961792), (96, 216680940), (98, 212258880), (105, 198108288), (108, 192605280), (112, 185726520), (114, 182468160), (120, 173344752), (126, 165090240), (128, 162510705), (133, 156401280), (135, 154084224), (140, 148581216), (144, 144453960), (147, 141505920), (152, 136851120), (160, 130008564), (162, 128403520), (168, 123817680), (171, 121645440), (180, 115563168), (189, 110060160), (190, 109480896), (192, 108340470), (196, 106129440), (210, 99054144), (216, 96302640), (224, 92863260), (228, 91234080), (240, 86672376), (245, 84903552), (252, 82545120), (266, 78200640), (270, 77042112), (280, 74290608), (285, 72987264), (288, 72226980), (294, 70752960), (304, 68425560), (315, 66036096), (320, 65004282), (324, 64201760), (336, 61908840), (342, 60822720), (360, 57781584), (378, 55030080), (380, 54740448), (384, 54170235), (392, 53064720), (399, 52133760), (405, 51361408), (420, 49527072), (431, 48263040), (432, 48151320), (441, 47168640), (448, 46431630), (456, 45617040), (480, 43336188), (490, 42451776), (504, 41272560), (513, 40548480), (532, 39100320), (540, 38521056), (560, 37145304), (567, 36686720), (570, 36493632), (576, 36113490), (588, 35376480), (608, 34212780), (630, 33018048), (640, 32502141), (648, 32100880), (665, 31280256), (672, 30954420), (684, 30411360), (720, 28890792), (735, 28301184), (756, 27515040), (760, 27370224), (784, 26532360), (798, 26066880), (810, 25680704), (840, 24763536), (855, 24329088), (862, 24131520), (864, 24075660), (882, 23584320), (896, 23215815), (912, 22808520), (931, 22343040), (945, 22012032), (960, 21668094), (980, 21225888), (1008, 20636280), (1026, 20274240), (1064, 19550160), (1080, 19260528), (1120, 18572652), (1134, 18343360), (1140, 18246816), (1152, 18056745), (1176, 17688240), (1197, 17377920), (1216, 17106390), (1260, 16509024), (1293, 16087680), (1296, 16050440), (1323, 15722880), (1330, 15640128), (1344, 15477210), (1368, 15205680), (1440, 14445396), (1470, 14150592), (1512, 13757520), (1520, 13685112), (1539, 13516160), (1568, 13266180), (1596, 13033440), (1620, 12840352), (1680, 12381768), (1710, 12164544), (1724, 12065760), (1728, 12037830), (1764, 11792160), (1824, 11404260), (1862, 11171520), (1890, 11006016), (1920, 10834047), (1960, 10612944), (1995, 10426752), (2016, 10318140), (2052, 10137120), (2128, 9775080), (2155, 9652608), (2160, 9630264), (2205, 9433728), (2240, 9286326), (2268, 9171680), (2280, 9123408), (2352, 8844120), (2394, 8688960), (2432, 8553195), (2520, 8254512), (2565, 8109696), (2586, 8043840), (2592, 8025220), (2646, 7861440), (2660, 7820064), (2688, 7738605), (2736, 7602840), (2793, 7447680), (2835, 7337344), (2880, 7222698), (2940, 7075296), (3017, 6894720), (3024, 6878760), (3040, 6842556), (3078, 6758080), (3136, 6633090), (3192, 6516720), (3240, 6420176), (3360, 6190884), (3420, 6082272), (3448, 6032880), (3456, 6018915), (3528, 5896080), (3591, 5792640), (3648, 5702130), (3724, 5585760), (3780, 5503008), (3879, 5362560), (3920, 5306472), (3969, 5240960), (3990, 5213376), (4032, 5159070), (4104, 5068560), (4256, 4887540), (4310, 4826304), (4320, 4815132), (4410, 4716864), (4480, 4643163), (4536, 4585840), (4560, 4561704), (4655, 4468608), (4704, 4422060), (4788, 4344480), (5040, 4127256), (5130, 4054848), (5172, 4021920), (5184, 4012610), (5292, 3930720), (5320, 3910032), (5472, 3801420), (5586, 3723840), (5670, 3668672), (5760, 3611349), (5880, 3537648), (5985, 3475584), (6034, 3447360), (6048, 3439380), (6080, 3421278), (6156, 3379040), (6272, 3316545), (6384, 3258360), (6465, 3217536), (6480, 3210088), (6615, 3144576), (6720, 3095442), (6840, 3041136), (6896, 3016440), (7056, 2948040), (7182, 2896320), (7296, 2851065), (7448, 2792880), (7560, 2751504), (7695, 2703232), (7758, 2681280), (7840, 2653236), (7938, 2620480), (7980, 2606688), (8064, 2579535), (8189, 2540160), (8208, 2534280), (8379, 2482560), (8512, 2443770), (8620, 2413152), (8640, 2407566), (8820, 2358432), (9051, 2298240), (9072, 2292920), (9120, 2280852), (9310, 2234304), (9408, 2211030), (9576, 2172240), (10080, 2063628), (10260, 2027424), (10344, 2010960), (10368, 2006305), (10584, 1965360), (10640, 1955016), (10773, 1930880), (10944, 1900710), (11172, 1861920), (11340, 1834336), (11637, 1787520), (11760, 1768824), (11970, 1737792), (12068, 1723680), (12096, 1719690), (12160, 1710639), (12312, 1689520), (12768, 1629180), (12930, 1608768), (12960, 1605044), (13230, 1572288), (13440, 1547721), (13680, 1520568), (13792, 1508220), (13965, 1489536), (14112, 1474020), (14364, 1448160), (14896, 1396440), (15085, 1378944), (15120, 1375752), (15390, 1351616), (15516, 1340640), (15680, 1326618), (15876, 1310240), (15960, 1303344), (16378, 1270080), (16416, 1267140), (16758, 1241280), (17024, 1221885), (17240, 1206576), (17280, 1203783), (17640, 1179216), (17955, 1158528), (18102, 1149120), (18144, 1146460), (18240, 1140426), (18620, 1117152), (18816, 1105515), (19152, 1086120), (19395, 1072512), (19845, 1048192), (20160, 1031814), (20520, 1013712), (20688, 1005480), (21119, 984960), (21168, 982680), (21280, 977508), (21546, 965440), (21888, 950355), (22344, 930960), (22680, 917168), (23274, 893760), (23520, 884412), (23940, 868896), (24136, 861840), (24192, 859845), (24567, 846720), (24624, 844760), (25137, 827520), (25536, 814590), (25860, 804384), (25920, 802522), (26460, 786144), (27153, 766080), (27360, 760284), (27584, 754110), (27930, 744768), (28224, 737010), (28728, 724080), (29792, 698220), (30170, 689472), (30240, 687876), (30780, 675808), (31032, 670320), (31360, 663309), (31752, 655120), (31920, 651672), (32756, 635040), (32832, 633570), (33516, 620640), (34480, 603288), (34911, 595840), (35280, 589608), (35910, 579264), (36204, 574560), (36288, 573230), (36480, 570213), (37240, 558576), (38304, 543060), (38790, 536256), (39690, 524096), (40320, 515907), (40945, 508032), (41040, 506856), (41376, 502740), (41895, 496512), (42238, 492480), (42336, 491340), (42560, 488754), (43092, 482720), (44688, 465480), (45255, 459648), (45360, 458584), (46548, 446880), (47040, 442206), (47880, 434448), (48272, 430920), (49134, 423360), (49248, 422380), (50274, 413760), (51072, 407295), (51720, 402192), (51840, 401261), (52920, 393072), (53865, 386176), (54306, 383040), (54720, 380142), (55168, 377055), (55860, 372384), (56448, 368505), (57323, 362880), (57456, 362040), (58185, 357504), (59584, 349110), (60340, 344736), (60480, 343938), (61560, 337904), (62064, 335160), (63357, 328320), (63504, 327560), (63840, 325836), (65512, 317520), (65664, 316785), (67032, 310320), (68960, 301644), (69822, 297920), (70560, 294804), (71820, 289632), (72408, 287280), (72576, 286615), (73701, 282240), (74480, 279288), (75411, 275840), (76608, 271530), (77580, 268128), (79380, 262048), (81459, 255360), (81890, 254016), (82080, 253428), (82752, 251370), (83790, 248256), (84476, 246240), (84672, 245670), (85120, 244377), (86184, 241360), (89376, 232740), (90510, 229824), (90720, 229292), (93096, 223440), (94080, 221103), (95760, 217224), (96544, 215460), (98268, 211680), (98496, 211190), (100548, 206880), (103440, 201096), (105595, 196992), (105840, 196536), (107730, 193088), (108612, 191520), (109440, 190071), (111720, 186192), (114646, 181440), (114912, 181020), (116370, 178752), (119168, 174555), (120680, 172368), (120960, 171969), (122835, 169344), (123120, 168952), (124128, 167580), (125685, 165504), (126714, 164160), (127008, 163780), (127680, 162918), (131024, 158760), (134064, 155160), (135765, 153216), (137920, 150822), (139644, 148960), (141120, 147402), (143640, 144816)]