157021620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{373861}}^1$

素因数の和:373880

約数の個数: 48

約数和(自身を含む): 502470528

約数和(自身を除く): 345448908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 373861, 747722, 1121583, 1495444, 1869305, 2243166, 2617027, 3738610, 4486332, 5234054, 5607915, 7477220, 7851081, 10468108, 11215830, 13085135, 15702162, 22431660, 26170270, 31404324, 39255405, 52340540, 78510810, 157021620]

約数ペア:

[(1, 157021620), (2, 78510810), (3, 52340540), (4, 39255405), (5, 31404324), (6, 26170270), (7, 22431660), (10, 15702162), (12, 13085135), (14, 11215830), (15, 10468108), (20, 7851081), (21, 7477220), (28, 5607915), (30, 5234054), (35, 4486332), (42, 3738610), (60, 2617027), (70, 2243166), (84, 1869305), (105, 1495444), (140, 1121583), (210, 747722), (420, 373861)]