90479080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 212129280

約数和(自身を除く): 121650200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 131, 155, 248, 262, 310, 524, 557, 620, 655, 1048, 1114, 1240, 1310, 2228, 2620, 2785, 4061, 4456, 5240, 5570, 8122, 11140, 16244, 17267, 20305, 22280, 32488, 34534, 40610, 69068, 72967, 81220, 86335, 138136, 145934, 162440, 172670, 291868, 345340, 364835, 583736, 690680, 729670, 1459340, 2261977, 2918680, 4523954, 9047908, 11309885, 18095816, 22619770, 45239540, 90479080]

約数ペア:

[(1, 90479080), (2, 45239540), (4, 22619770), (5, 18095816), (8, 11309885), (10, 9047908), (20, 4523954), (31, 2918680), (40, 2261977), (62, 1459340), (124, 729670), (131, 690680), (155, 583736), (248, 364835), (262, 345340), (310, 291868), (524, 172670), (557, 162440), (620, 145934), (655, 138136), (1048, 86335), (1114, 81220), (1240, 72967), (1310, 69068), (2228, 40610), (2620, 34534), (2785, 32488), (4061, 22280), (4456, 20305), (5240, 17267), (5570, 16244), (8122, 11140)]