85772120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{306329}}^1$

素因数の和:306347

約数の個数: 32

約数和(自身を含む): 220557600

約数和(自身を除く): 134785480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 306329, 612658, 1225316, 1531645, 2144303, 2450632, 3063290, 4288606, 6126580, 8577212, 10721515, 12253160, 17154424, 21443030, 42886060, 85772120]

約数ペア:

[(1, 85772120), (2, 42886060), (4, 21443030), (5, 17154424), (7, 12253160), (8, 10721515), (10, 8577212), (14, 6126580), (20, 4288606), (28, 3063290), (35, 2450632), (40, 2144303), (56, 1531645), (70, 1225316), (140, 612658), (280, 306329)]