722120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2579}}^1$

素因数の和:2597

約数の個数: 32

約数和(自身を含む): 1857600

約数和(自身を除く): 1135480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2579, 5158, 10316, 12895, 18053, 20632, 25790, 36106, 51580, 72212, 90265, 103160, 144424, 180530, 361060, 722120]

約数ペア:

[(1, 722120), (2, 361060), (4, 180530), (5, 144424), (7, 103160), (8, 90265), (10, 72212), (14, 51580), (20, 36106), (28, 25790), (35, 20632), (40, 18053), (56, 12895), (70, 10316), (140, 5158), (280, 2579)]