77986680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1637}}^1$

素因数の和:2048

約数の個数: 64

約数和(自身を含む): 234692640

約数和(自身を除く): 156705960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 794, 1191, 1588, 1637, 1985, 2382, 3176, 3274, 3970, 4764, 4911, 5955, 6548, 7940, 8185, 9528, 9822, 11910, 13096, 15880, 16370, 19644, 23820, 24555, 32740, 39288, 47640, 49110, 65480, 98220, 196440, 649889, 1299778, 1949667, 2599556, 3249445, 3899334, 5199112, 6498890, 7798668, 9748335, 12997780, 15597336, 19496670, 25995560, 38993340, 77986680]

約数ペア:

[(1, 77986680), (2, 38993340), (3, 25995560), (4, 19496670), (5, 15597336), (6, 12997780), (8, 9748335), (10, 7798668), (12, 6498890), (15, 5199112), (20, 3899334), (24, 3249445), (30, 2599556), (40, 1949667), (60, 1299778), (120, 649889), (397, 196440), (794, 98220), (1191, 65480), (1588, 49110), (1637, 47640), (1985, 39288), (2382, 32740), (3176, 24555), (3274, 23820), (3970, 19644), (4764, 16370), (4911, 15880), (5955, 13096), (6548, 11910), (7940, 9822), (8185, 9528)]