1215804560

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{38281}}^1$

素因数の和:38691

約数の個数: 40

約数和(自身を含む): 2833939896

約数和(自身を除く): 1618135336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 3176, 3970, 6352, 7940, 15880, 31760, 38281, 76562, 153124, 191405, 306248, 382810, 612496, 765620, 1531240, 3062480, 15197557, 30395114, 60790228, 75987785, 121580456, 151975570, 243160912, 303951140, 607902280, 1215804560]

約数ペア:

[(1, 1215804560), (2, 607902280), (4, 303951140), (5, 243160912), (8, 151975570), (10, 121580456), (16, 75987785), (20, 60790228), (40, 30395114), (80, 15197557), (397, 3062480), (794, 1531240), (1588, 765620), (1985, 612496), (3176, 382810), (3970, 306248), (6352, 191405), (7940, 153124), (15880, 76562), (31760, 38281)]