64616820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{26267}}^1$

素因数の和:26320

約数の個数: 48

約数和(自身を含む): 185347008

約数和(自身を除く): 120730188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 26267, 52534, 78801, 105068, 131335, 157602, 262670, 315204, 394005, 525340, 788010, 1076947, 1576020, 2153894, 3230841, 4307788, 5384735, 6461682, 10769470, 12923364, 16154205, 21538940, 32308410, 64616820]

約数ペア:

[(1, 64616820), (2, 32308410), (3, 21538940), (4, 16154205), (5, 12923364), (6, 10769470), (10, 6461682), (12, 5384735), (15, 4307788), (20, 3230841), (30, 2153894), (41, 1576020), (60, 1076947), (82, 788010), (123, 525340), (164, 394005), (205, 315204), (246, 262670), (410, 157602), (492, 131335), (615, 105068), (820, 78801), (1230, 52534), (2460, 26267)]