123590220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{158449}}^1$

素因数の和:158474

約数の個数: 48

約数和(自身を含む): 372674400

約数和(自身を除く): 249084180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 158449, 316898, 475347, 633796, 792245, 950694, 1584490, 1901388, 2059837, 2376735, 3168980, 4119674, 4753470, 6179511, 8239348, 9506940, 10299185, 12359022, 20598370, 24718044, 30897555, 41196740, 61795110, 123590220]

約数ペア:

[(1, 123590220), (2, 61795110), (3, 41196740), (4, 30897555), (5, 24718044), (6, 20598370), (10, 12359022), (12, 10299185), (13, 9506940), (15, 8239348), (20, 6179511), (26, 4753470), (30, 4119674), (39, 3168980), (52, 2376735), (60, 2059837), (65, 1901388), (78, 1584490), (130, 950694), (156, 792245), (195, 633796), (260, 475347), (390, 316898), (780, 158449)]