81058120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:455

約数の個数: 128

約数和(自身を含む): 220631040

約数和(自身を除く): 139572920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 37, 40, 44, 52, 55, 65, 74, 88, 104, 110, 130, 143, 148, 185, 220, 260, 286, 296, 370, 383, 407, 440, 481, 520, 572, 715, 740, 766, 814, 962, 1144, 1430, 1480, 1532, 1628, 1915, 1924, 2035, 2405, 2860, 3064, 3256, 3830, 3848, 4070, 4213, 4810, 4979, 5291, 5720, 7660, 8140, 8426, 9620, 9958, 10582, 14171, 15320, 16280, 16852, 19240, 19916, 21065, 21164, 24895, 26455, 28342, 33704, 39832, 42130, 42328, 49790, 52910, 54769, 56684, 70855, 84260, 99580, 105820, 109538, 113368, 141710, 155881, 168520, 184223, 199160, 211640, 219076, 273845, 283420, 311762, 368446, 438152, 547690, 566840, 623524, 736892, 779405, 921115, 1095380, 1247048, 1473784, 1558810, 1842230, 2026453, 2190760, 3117620, 3684460, 4052906, 6235240, 7368920, 8105812, 10132265, 16211624, 20264530, 40529060, 81058120]

約数ペア:

[(1, 81058120), (2, 40529060), (4, 20264530), (5, 16211624), (8, 10132265), (10, 8105812), (11, 7368920), (13, 6235240), (20, 4052906), (22, 3684460), (26, 3117620), (37, 2190760), (40, 2026453), (44, 1842230), (52, 1558810), (55, 1473784), (65, 1247048), (74, 1095380), (88, 921115), (104, 779405), (110, 736892), (130, 623524), (143, 566840), (148, 547690), (185, 438152), (220, 368446), (260, 311762), (286, 283420), (296, 273845), (370, 219076), (383, 211640), (407, 199160), (440, 184223), (481, 168520), (520, 155881), (572, 141710), (715, 113368), (740, 109538), (766, 105820), (814, 99580), (962, 84260), (1144, 70855), (1430, 56684), (1480, 54769), (1532, 52910), (1628, 49790), (1915, 42328), (1924, 42130), (2035, 39832), (2405, 33704), (2860, 28342), (3064, 26455), (3256, 24895), (3830, 21164), (3848, 21065), (4070, 19916), (4213, 19240), (4810, 16852), (4979, 16280), (5291, 15320), (5720, 14171), (7660, 10582), (8140, 9958), (8426, 9620)]