90351560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{727}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 220147200

約数和(自身を除く): 129795640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 239, 260, 478, 520, 727, 956, 1195, 1454, 1912, 2390, 2908, 3107, 3635, 4780, 5816, 6214, 7270, 9451, 9560, 12428, 14540, 15535, 18902, 24856, 29080, 31070, 37804, 47255, 62140, 75608, 94510, 124280, 173753, 189020, 347506, 378040, 695012, 868765, 1390024, 1737530, 2258789, 3475060, 4517578, 6950120, 9035156, 11293945, 18070312, 22587890, 45175780, 90351560]

約数ペア:

[(1, 90351560), (2, 45175780), (4, 22587890), (5, 18070312), (8, 11293945), (10, 9035156), (13, 6950120), (20, 4517578), (26, 3475060), (40, 2258789), (52, 1737530), (65, 1390024), (104, 868765), (130, 695012), (239, 378040), (260, 347506), (478, 189020), (520, 173753), (727, 124280), (956, 94510), (1195, 75608), (1454, 62140), (1912, 47255), (2390, 37804), (2908, 31070), (3107, 29080), (3635, 24856), (4780, 18902), (5816, 15535), (6214, 14540), (7270, 12428), (9451, 9560)]