77131920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{321383}}^1$

素因数の和:321399

約数の個数: 40

約数和(自身を含む): 239109696

約数和(自身を除く): 161977776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 321383, 642766, 964149, 1285532, 1606915, 1928298, 2571064, 3213830, 3856596, 4820745, 5142128, 6427660, 7713192, 9641490, 12855320, 15426384, 19282980, 25710640, 38565960, 77131920]

約数ペア:

[(1, 77131920), (2, 38565960), (3, 25710640), (4, 19282980), (5, 15426384), (6, 12855320), (8, 9641490), (10, 7713192), (12, 6427660), (15, 5142128), (16, 4820745), (20, 3856596), (24, 3213830), (30, 2571064), (40, 1928298), (48, 1606915), (60, 1285532), (80, 964149), (120, 642766), (240, 321383)]