68796840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81901}}^1$

素因数の和:81922

約数の個数: 64

約数和(自身を含む): 235877760

約数和(自身を除く): 167080920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 81901, 163802, 245703, 327604, 409505, 491406, 573307, 655208, 819010, 982812, 1146614, 1228515, 1638020, 1719921, 1965624, 2293228, 2457030, 2866535, 3276040, 3439842, 4586456, 4914060, 5733070, 6879684, 8599605, 9828120, 11466140, 13759368, 17199210, 22932280, 34398420, 68796840]

約数ペア:

[(1, 68796840), (2, 34398420), (3, 22932280), (4, 17199210), (5, 13759368), (6, 11466140), (7, 9828120), (8, 8599605), (10, 6879684), (12, 5733070), (14, 4914060), (15, 4586456), (20, 3439842), (21, 3276040), (24, 2866535), (28, 2457030), (30, 2293228), (35, 1965624), (40, 1719921), (42, 1638020), (56, 1228515), (60, 1146614), (70, 982812), (84, 819010), (105, 655208), (120, 573307), (140, 491406), (168, 409505), (210, 327604), (280, 245703), (420, 163802), (840, 81901)]