615841480

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{557}}^1$

素因数の和:910

約数の個数: 64

約数和(自身を含む): 1405356480

約数和(自身を除く): 789515000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 211, 262, 422, 524, 557, 655, 844, 1048, 1055, 1114, 1310, 1688, 2110, 2228, 2620, 2785, 4220, 4456, 5240, 5570, 8440, 11140, 22280, 27641, 55282, 72967, 110564, 117527, 138205, 145934, 221128, 235054, 276410, 291868, 364835, 470108, 552820, 583736, 587635, 729670, 940216, 1105640, 1175270, 1459340, 2350540, 2918680, 4701080, 15396037, 30792074, 61584148, 76980185, 123168296, 153960370, 307920740, 615841480]

約数ペア:

[(1, 615841480), (2, 307920740), (4, 153960370), (5, 123168296), (8, 76980185), (10, 61584148), (20, 30792074), (40, 15396037), (131, 4701080), (211, 2918680), (262, 2350540), (422, 1459340), (524, 1175270), (557, 1105640), (655, 940216), (844, 729670), (1048, 587635), (1055, 583736), (1114, 552820), (1310, 470108), (1688, 364835), (2110, 291868), (2228, 276410), (2620, 235054), (2785, 221128), (4220, 145934), (4456, 138205), (5240, 117527), (5570, 110564), (8440, 72967), (11140, 55282), (22280, 27641)]