151681640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8017}}^1$

素因数の和:8082

約数の個数: 64

約数和(自身を含む): 381015360

約数和(自身を除く): 229333720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 8017, 9460, 16034, 18920, 32068, 40085, 64136, 80170, 88187, 160340, 176374, 320680, 344731, 352748, 440935, 689462, 705496, 881870, 1378924, 1723655, 1763740, 2757848, 3447310, 3527480, 3792041, 6894620, 7584082, 13789240, 15168164, 18960205, 30336328, 37920410, 75840820, 151681640]

約数ペア:

[(1, 151681640), (2, 75840820), (4, 37920410), (5, 30336328), (8, 18960205), (10, 15168164), (11, 13789240), (20, 7584082), (22, 6894620), (40, 3792041), (43, 3527480), (44, 3447310), (55, 2757848), (86, 1763740), (88, 1723655), (110, 1378924), (172, 881870), (215, 705496), (220, 689462), (344, 440935), (430, 352748), (440, 344731), (473, 320680), (860, 176374), (946, 160340), (1720, 88187), (1892, 80170), (2365, 64136), (3784, 40085), (4730, 32068), (8017, 18920), (9460, 16034)]