51656700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:847

約数の個数: 72

約数和(自身を含む): 150181360

約数和(自身を除く): 98524660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 409, 421, 818, 842, 1227, 1263, 1636, 1684, 2045, 2105, 2454, 2526, 4090, 4210, 4908, 5052, 6135, 6315, 8180, 8420, 10225, 10525, 12270, 12630, 20450, 21050, 24540, 25260, 30675, 31575, 40900, 42100, 61350, 63150, 122700, 126300, 172189, 344378, 516567, 688756, 860945, 1033134, 1721890, 2066268, 2582835, 3443780, 4304725, 5165670, 8609450, 10331340, 12914175, 17218900, 25828350, 51656700]

約数ペア:

[(1, 51656700), (2, 25828350), (3, 17218900), (4, 12914175), (5, 10331340), (6, 8609450), (10, 5165670), (12, 4304725), (15, 3443780), (20, 2582835), (25, 2066268), (30, 1721890), (50, 1033134), (60, 860945), (75, 688756), (100, 516567), (150, 344378), (300, 172189), (409, 126300), (421, 122700), (818, 63150), (842, 61350), (1227, 42100), (1263, 40900), (1636, 31575), (1684, 30675), (2045, 25260), (2105, 24540), (2454, 21050), (2526, 20450), (4090, 12630), (4210, 12270), (4908, 10525), (5052, 10225), (6135, 8420), (6315, 8180)]