64756860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154183}}^1$

素因数の和:154202

約数の個数: 48

約数和(自身を含む): 207223296

約数和(自身を除く): 142466436

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, 154183, 308366, 462549, 616732, 770915, 925098, 1079281, 1541830, 1850196, 2158562, 2312745, 3083660, 3237843, 4317124, 4625490, 5396405, 6475686, 9250980, 10792810, 12951372, 16189215, 21585620, 32378430, 64756860]

約数ペア:

[(1, 64756860), (2, 32378430), (3, 21585620), (4, 16189215), (5, 12951372), (6, 10792810), (7, 9250980), (10, 6475686), (12, 5396405), (14, 4625490), (15, 4317124), (20, 3237843), (21, 3083660), (28, 2312745), (30, 2158562), (35, 1850196), (42, 1541830), (60, 1079281), (70, 925098), (84, 770915), (105, 616732), (140, 462549), (210, 308366), (420, 154183)]