40781520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4357}}^1$

素因数の和:4389

約数の個数: 120

約数和(自身を含む): 147527016

約数和(自身を除く): 106745496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4357, 4680, 8714, 9360, 13071, 17428, 21785, 26142, 34856, 39213, 43570, 52284, 56641, 65355, 69712, 78426, 87140, 104568, 113282, 130710, 156852, 169923, 174280, 196065, 209136, 226564, 261420, 283205, 313704, 339846, 348560, 392130, 453128, 509769, 522840, 566410, 627408, 679692, 784260, 849615, 906256, 1019538, 1045680, 1132820, 1359384, 1568520, 1699230, 2039076, 2265640, 2548845, 2718768, 3137040, 3398460, 4078152, 4531280, 5097690, 6796920, 8156304, 10195380, 13593840, 20390760, 40781520]

約数ペア:

[(1, 40781520), (2, 20390760), (3, 13593840), (4, 10195380), (5, 8156304), (6, 6796920), (8, 5097690), (9, 4531280), (10, 4078152), (12, 3398460), (13, 3137040), (15, 2718768), (16, 2548845), (18, 2265640), (20, 2039076), (24, 1699230), (26, 1568520), (30, 1359384), (36, 1132820), (39, 1045680), (40, 1019538), (45, 906256), (48, 849615), (52, 784260), (60, 679692), (65, 627408), (72, 566410), (78, 522840), (80, 509769), (90, 453128), (104, 392130), (117, 348560), (120, 339846), (130, 313704), (144, 283205), (156, 261420), (180, 226564), (195, 209136), (208, 196065), (234, 174280), (240, 169923), (260, 156852), (312, 130710), (360, 113282), (390, 104568), (468, 87140), (520, 78426), (585, 69712), (624, 65355), (720, 56641), (780, 52284), (936, 43570), (1040, 39213), (1170, 34856), (1560, 26142), (1872, 21785), (2340, 17428), (3120, 13071), (4357, 9360), (4680, 8714)]