81940862640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3751871}}^1$

素因数の和:3751907

約数の個数: 160

約数和(自身を含む): 312635990016

約数和(自身を除く): 230695127376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 21840, 3751871, 7503742, 11255613, 15007484, 18759355, 22511226, 26263097, 30014968, 37518710, 45022452, 48774323, 52526194, 56278065, 60029936, 75037420, 78789291, 90044904, 97548646, 105052388, 112556130, 131315485, 146322969, 150074840, 157578582, 180089808, 195097292, 210104776, 225112260, 243871615, 262630970, 292645938, 300149680, 315157164, 341420261, 390194584, 393946455, 420209552, 450224520, 487743230, 525261940, 585291876, 630314328, 682840522, 731614845, 780389168, 787892910, 900449040, 975486460, 1024260783, 1050523880, 1170583752, 1260628656, 1365681044, 1463229690, 1575785820, 1707101305, 1950972920, 2048521566, 2101047760, 2341167504, 2731362088, 2926459380, 3151571640, 3414202610, 3901945840, 4097043132, 5121303915, 5462724176, 5852918760, 6303143280, 6828405220, 8194086264, 10242607830, 11705837520, 13656810440, 16388172528, 20485215660, 27313620880, 40970431320, 81940862640]

約数ペア:

[(1, 81940862640), (2, 40970431320), (3, 27313620880), (4, 20485215660), (5, 16388172528), (6, 13656810440), (7, 11705837520), (8, 10242607830), (10, 8194086264), (12, 6828405220), (13, 6303143280), (14, 5852918760), (15, 5462724176), (16, 5121303915), (20, 4097043132), (21, 3901945840), (24, 3414202610), (26, 3151571640), (28, 2926459380), (30, 2731362088), (35, 2341167504), (39, 2101047760), (40, 2048521566), (42, 1950972920), (48, 1707101305), (52, 1575785820), (56, 1463229690), (60, 1365681044), (65, 1260628656), (70, 1170583752), (78, 1050523880), (80, 1024260783), (84, 975486460), (91, 900449040), (104, 787892910), (105, 780389168), (112, 731614845), (120, 682840522), (130, 630314328), (140, 585291876), (156, 525261940), (168, 487743230), (182, 450224520), (195, 420209552), (208, 393946455), (210, 390194584), (240, 341420261), (260, 315157164), (273, 300149680), (280, 292645938), (312, 262630970), (336, 243871615), (364, 225112260), (390, 210104776), (420, 195097292), (455, 180089808), (520, 157578582), (546, 150074840), (560, 146322969), (624, 131315485), (728, 112556130), (780, 105052388), (840, 97548646), (910, 90044904), (1040, 78789291), (1092, 75037420), (1365, 60029936), (1456, 56278065), (1560, 52526194), (1680, 48774323), (1820, 45022452), (2184, 37518710), (2730, 30014968), (3120, 26263097), (3640, 22511226), (4368, 18759355), (5460, 15007484), (7280, 11255613), (10920, 7503742), (21840, 3751871)]