639364080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2664017}}^1$

素因数の和:2664033

約数の個数: 40

約数和(自身を含む): 1982029392

約数和(自身を除く): 1342665312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2664017, 5328034, 7992051, 10656068, 13320085, 15984102, 21312136, 26640170, 31968204, 39960255, 42624272, 53280340, 63936408, 79920510, 106560680, 127872816, 159841020, 213121360, 319682040, 639364080]

約数ペア:

[(1, 639364080), (2, 319682040), (3, 213121360), (4, 159841020), (5, 127872816), (6, 106560680), (8, 79920510), (10, 63936408), (12, 53280340), (15, 42624272), (16, 39960255), (20, 31968204), (24, 26640170), (30, 21312136), (40, 15984102), (48, 13320085), (60, 10656068), (80, 7992051), (120, 5328034), (240, 2664017)]