67646640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{541}}^1$

素因数の和:1078

約数の個数: 80

約数和(自身を含む): 210495456

約数和(自身を除く): 142848816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 521, 541, 1042, 1082, 1563, 1623, 2084, 2164, 2605, 2705, 3126, 3246, 4168, 4328, 5210, 5410, 6252, 6492, 7815, 8115, 8336, 8656, 10420, 10820, 12504, 12984, 15630, 16230, 20840, 21640, 25008, 25968, 31260, 32460, 41680, 43280, 62520, 64920, 125040, 129840, 281861, 563722, 845583, 1127444, 1409305, 1691166, 2254888, 2818610, 3382332, 4227915, 4509776, 5637220, 6764664, 8455830, 11274440, 13529328, 16911660, 22548880, 33823320, 67646640]

約数ペア:

[(1, 67646640), (2, 33823320), (3, 22548880), (4, 16911660), (5, 13529328), (6, 11274440), (8, 8455830), (10, 6764664), (12, 5637220), (15, 4509776), (16, 4227915), (20, 3382332), (24, 2818610), (30, 2254888), (40, 1691166), (48, 1409305), (60, 1127444), (80, 845583), (120, 563722), (240, 281861), (521, 129840), (541, 125040), (1042, 64920), (1082, 62520), (1563, 43280), (1623, 41680), (2084, 32460), (2164, 31260), (2605, 25968), (2705, 25008), (3126, 21640), (3246, 20840), (4168, 16230), (4328, 15630), (5210, 12984), (5410, 12504), (6252, 10820), (6492, 10420), (7815, 8656), (8115, 8336)]