8240520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1654

約数の個数: 64

約数和(自身を含む): 25312320

約数和(自身を除く): 17071800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1597, 1720, 2580, 3194, 4791, 5160, 6388, 7985, 9582, 12776, 15970, 19164, 23955, 31940, 38328, 47910, 63880, 68671, 95820, 137342, 191640, 206013, 274684, 343355, 412026, 549368, 686710, 824052, 1030065, 1373420, 1648104, 2060130, 2746840, 4120260, 8240520]

約数ペア:

[(1, 8240520), (2, 4120260), (3, 2746840), (4, 2060130), (5, 1648104), (6, 1373420), (8, 1030065), (10, 824052), (12, 686710), (15, 549368), (20, 412026), (24, 343355), (30, 274684), (40, 206013), (43, 191640), (60, 137342), (86, 95820), (120, 68671), (129, 63880), (172, 47910), (215, 38328), (258, 31940), (344, 23955), (430, 19164), (516, 15970), (645, 12776), (860, 9582), (1032, 7985), (1290, 6388), (1597, 5160), (1720, 4791), (2580, 3194)]