128720856

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3229}}^1$

素因数の和:3400

約数の個数: 64

約数和(自身を含む): 353491200

約数和(自身を除く): 224770344

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 151, 264, 302, 453, 604, 906, 1208, 1661, 1812, 3229, 3322, 3624, 4983, 6458, 6644, 9687, 9966, 12916, 13288, 19374, 19932, 25832, 35519, 38748, 39864, 71038, 77496, 106557, 142076, 213114, 284152, 426228, 487579, 852456, 975158, 1462737, 1950316, 2925474, 3900632, 5363369, 5850948, 10726738, 11701896, 16090107, 21453476, 32180214, 42906952, 64360428, 128720856]

約数ペア:

[(1, 128720856), (2, 64360428), (3, 42906952), (4, 32180214), (6, 21453476), (8, 16090107), (11, 11701896), (12, 10726738), (22, 5850948), (24, 5363369), (33, 3900632), (44, 2925474), (66, 1950316), (88, 1462737), (132, 975158), (151, 852456), (264, 487579), (302, 426228), (453, 284152), (604, 213114), (906, 142076), (1208, 106557), (1661, 77496), (1812, 71038), (3229, 39864), (3322, 38748), (3624, 35519), (4983, 25832), (6458, 19932), (6644, 19374), (9687, 13288), (9966, 12916)]