64723360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 175154616

約数和(自身を除く): 110431256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 37, 40, 52, 58, 65, 74, 80, 104, 116, 130, 145, 148, 160, 185, 208, 232, 260, 290, 296, 370, 377, 416, 464, 481, 520, 580, 592, 740, 754, 841, 928, 962, 1040, 1073, 1160, 1184, 1480, 1508, 1682, 1885, 1924, 2080, 2146, 2320, 2405, 2960, 3016, 3364, 3770, 3848, 4205, 4292, 4640, 4810, 5365, 5920, 6032, 6728, 7540, 7696, 8410, 8584, 9620, 10730, 10933, 12064, 13456, 13949, 15080, 15392, 16820, 17168, 19240, 21460, 21866, 26912, 27898, 30160, 31117, 33640, 34336, 38480, 42920, 43732, 54665, 55796, 60320, 62234, 67280, 69745, 76960, 85840, 87464, 109330, 111592, 124468, 134560, 139490, 155585, 171680, 174928, 218660, 223184, 248936, 278980, 311170, 349856, 404521, 437320, 446368, 497872, 557960, 622340, 809042, 874640, 995744, 1115920, 1244680, 1618084, 1749280, 2022605, 2231840, 2489360, 3236168, 4045210, 4978720, 6472336, 8090420, 12944672, 16180840, 32361680, 64723360]

約数ペア:

[(1, 64723360), (2, 32361680), (4, 16180840), (5, 12944672), (8, 8090420), (10, 6472336), (13, 4978720), (16, 4045210), (20, 3236168), (26, 2489360), (29, 2231840), (32, 2022605), (37, 1749280), (40, 1618084), (52, 1244680), (58, 1115920), (65, 995744), (74, 874640), (80, 809042), (104, 622340), (116, 557960), (130, 497872), (145, 446368), (148, 437320), (160, 404521), (185, 349856), (208, 311170), (232, 278980), (260, 248936), (290, 223184), (296, 218660), (370, 174928), (377, 171680), (416, 155585), (464, 139490), (481, 134560), (520, 124468), (580, 111592), (592, 109330), (740, 87464), (754, 85840), (841, 76960), (928, 69745), (962, 67280), (1040, 62234), (1073, 60320), (1160, 55796), (1184, 54665), (1480, 43732), (1508, 42920), (1682, 38480), (1885, 34336), (1924, 33640), (2080, 31117), (2146, 30160), (2320, 27898), (2405, 26912), (2960, 21866), (3016, 21460), (3364, 19240), (3770, 17168), (3848, 16820), (4205, 15392), (4292, 15080), (4640, 13949), (4810, 13456), (5365, 12064), (5920, 10933), (6032, 10730), (6728, 9620), (7540, 8584), (7696, 8410)]