157788240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{657451}}^1$

素因数の和:657467

約数の個数: 40

約数和(自身を含む): 489144288

約数和(自身を除く): 331356048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 657451, 1314902, 1972353, 2629804, 3287255, 3944706, 5259608, 6574510, 7889412, 9861765, 10519216, 13149020, 15778824, 19723530, 26298040, 31557648, 39447060, 52596080, 78894120, 157788240]

約数ペア:

[(1, 157788240), (2, 78894120), (3, 52596080), (4, 39447060), (5, 31557648), (6, 26298040), (8, 19723530), (10, 15778824), (12, 13149020), (15, 10519216), (16, 9861765), (20, 7889412), (24, 6574510), (30, 5259608), (40, 3944706), (48, 3287255), (60, 2629804), (80, 1972353), (120, 1314902), (240, 657451)]