80479920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4723}}^1$

素因数の和:4810

約数の個数: 80

約数和(自身を含む): 253055232

約数和(自身を除く): 172575312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1704, 2130, 2840, 3408, 4260, 4723, 5680, 8520, 9446, 14169, 17040, 18892, 23615, 28338, 37784, 47230, 56676, 70845, 75568, 94460, 113352, 141690, 188920, 226704, 283380, 335333, 377840, 566760, 670666, 1005999, 1133520, 1341332, 1676665, 2011998, 2682664, 3353330, 4023996, 5029995, 5365328, 6706660, 8047992, 10059990, 13413320, 16095984, 20119980, 26826640, 40239960, 80479920]

約数ペア:

[(1, 80479920), (2, 40239960), (3, 26826640), (4, 20119980), (5, 16095984), (6, 13413320), (8, 10059990), (10, 8047992), (12, 6706660), (15, 5365328), (16, 5029995), (20, 4023996), (24, 3353330), (30, 2682664), (40, 2011998), (48, 1676665), (60, 1341332), (71, 1133520), (80, 1005999), (120, 670666), (142, 566760), (213, 377840), (240, 335333), (284, 283380), (355, 226704), (426, 188920), (568, 141690), (710, 113352), (852, 94460), (1065, 75568), (1136, 70845), (1420, 56676), (1704, 47230), (2130, 37784), (2840, 28338), (3408, 23615), (4260, 18892), (4723, 17040), (5680, 14169), (8520, 9446)]