157980720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{658253}}^1$

素因数の和:658269

約数の個数: 40

約数和(自身を含む): 489740976

約数和(自身を除く): 331760256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 658253, 1316506, 1974759, 2633012, 3291265, 3949518, 5266024, 6582530, 7899036, 9873795, 10532048, 13165060, 15798072, 19747590, 26330120, 31596144, 39495180, 52660240, 78990360, 157980720]

約数ペア:

[(1, 157980720), (2, 78990360), (3, 52660240), (4, 39495180), (5, 31596144), (6, 26330120), (8, 19747590), (10, 15798072), (12, 13165060), (15, 10532048), (16, 9873795), (20, 7899036), (24, 6582530), (30, 5266024), (40, 3949518), (48, 3291265), (60, 2633012), (80, 1974759), (120, 1316506), (240, 658253)]