154965840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{645691}}^1$

素因数の和:645707

約数の個数: 40

約数和(自身を含む): 480394848

約数和(自身を除く): 325429008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 645691, 1291382, 1937073, 2582764, 3228455, 3874146, 5165528, 6456910, 7748292, 9685365, 10331056, 12913820, 15496584, 19370730, 25827640, 30993168, 38741460, 51655280, 77482920, 154965840]

約数ペア:

[(1, 154965840), (2, 77482920), (3, 51655280), (4, 38741460), (5, 30993168), (6, 25827640), (8, 19370730), (10, 15496584), (12, 12913820), (15, 10331056), (16, 9685365), (20, 7748292), (24, 6456910), (30, 5165528), (40, 3874146), (48, 3228455), (60, 2582764), (80, 1937073), (120, 1291382), (240, 645691)]