20138685840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307367}}^1$

素因数の和:307406

約数の個数: 240

約数和(自身を含む): 83240172288

約数和(自身を除く): 63101486448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2184, 2340, 2520, 2730, 3120, 3276, 3640, 4095, 4368, 4680, 5040, 5460, 6552, 7280, 8190, 9360, 10920, 13104, 16380, 21840, 32760, 65520, 307367, 614734, 922101, 1229468, 1536835, 1844202, 2151569, 2458936, 2766303, 3073670, 3688404, 3995771, 4303138, 4610505, 4917872, 5532606, 6147340, 6454707, 7376808, 7991542, 8606276, 9221010, 10757845, 11065212, 11987313, 12294680, 12909414, 13831515, 14753616, 15983084, 17212552, 18442020, 19364121, 19978855, 21515690, 22130424, 23974626, 24589360, 25818828, 27663030, 27970397, 31966168, 32273535, 34425104, 35961939, 36884040, 38728242, 39957710, 43031380, 44260848, 47949252, 51637656, 55326060, 55940794, 59936565, 63932336, 64547070, 71923878, 73768080, 77456484, 79915420, 83911191, 86062760, 95898504, 96820605, 103275312, 110652120, 111881588, 119873130, 129094140, 139851985, 143847756, 154912968, 159830840, 167822382, 172125520, 179809695, 191797008, 193641210, 221304240, 223763176, 239746260, 251733573, 258188280, 279703970, 287695512, 309825936, 319661680, 335644764, 359619390, 387282420, 419555955, 447526352, 479492520, 503467146, 516376560, 559407940, 575391024, 671289528, 719238780, 774564840, 839111910, 958985040, 1006934292, 1118815880, 1258667865, 1342579056, 1438477560, 1549129680, 1678223820, 2013868584, 2237631760, 2517335730, 2876955120, 3356447640, 4027737168, 5034671460, 6712895280, 10069342920, 20138685840]

約数ペア:

[(1, 20138685840), (2, 10069342920), (3, 6712895280), (4, 5034671460), (5, 4027737168), (6, 3356447640), (7, 2876955120), (8, 2517335730), (9, 2237631760), (10, 2013868584), (12, 1678223820), (13, 1549129680), (14, 1438477560), (15, 1342579056), (16, 1258667865), (18, 1118815880), (20, 1006934292), (21, 958985040), (24, 839111910), (26, 774564840), (28, 719238780), (30, 671289528), (35, 575391024), (36, 559407940), (39, 516376560), (40, 503467146), (42, 479492520), (45, 447526352), (48, 419555955), (52, 387282420), (56, 359619390), (60, 335644764), (63, 319661680), (65, 309825936), (70, 287695512), (72, 279703970), (78, 258188280), (80, 251733573), (84, 239746260), (90, 223763176), (91, 221304240), (104, 193641210), (105, 191797008), (112, 179809695), (117, 172125520), (120, 167822382), (126, 159830840), (130, 154912968), (140, 143847756), (144, 139851985), (156, 129094140), (168, 119873130), (180, 111881588), (182, 110652120), (195, 103275312), (208, 96820605), (210, 95898504), (234, 86062760), (240, 83911191), (252, 79915420), (260, 77456484), (273, 73768080), (280, 71923878), (312, 64547070), (315, 63932336), (336, 59936565), (360, 55940794), (364, 55326060), (390, 51637656), (420, 47949252), (455, 44260848), (468, 43031380), (504, 39957710), (520, 38728242), (546, 36884040), (560, 35961939), (585, 34425104), (624, 32273535), (630, 31966168), (720, 27970397), (728, 27663030), (780, 25818828), (819, 24589360), (840, 23974626), (910, 22130424), (936, 21515690), (1008, 19978855), (1040, 19364121), (1092, 18442020), (1170, 17212552), (1260, 15983084), (1365, 14753616), (1456, 13831515), (1560, 12909414), (1638, 12294680), (1680, 11987313), (1820, 11065212), (1872, 10757845), (2184, 9221010), (2340, 8606276), (2520, 7991542), (2730, 7376808), (3120, 6454707), (3276, 6147340), (3640, 5532606), (4095, 4917872), (4368, 4610505), (4680, 4303138), (5040, 3995771), (5460, 3688404), (6552, 3073670), (7280, 2766303), (8190, 2458936), (9360, 2151569), (10920, 1844202), (13104, 1536835), (16380, 1229468), (21840, 922101), (32760, 614734), (65520, 307367)]