256211808

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^2\times {\mathrm{7393}}^1$

素因数の和:7444

約数の個数: 72

約数和(自身を含む): 709912728

約数和(自身を除く): 453700920

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 361, 456, 608, 722, 912, 1083, 1444, 1824, 2166, 2888, 4332, 5776, 7393, 8664, 11552, 14786, 17328, 22179, 29572, 34656, 44358, 59144, 88716, 118288, 140467, 177432, 236576, 280934, 354864, 421401, 561868, 709728, 842802, 1123736, 1685604, 2247472, 2668873, 3371208, 4494944, 5337746, 6742416, 8006619, 10675492, 13484832, 16013238, 21350984, 32026476, 42701968, 64052952, 85403936, 128105904, 256211808]

約数ペア:

[(1, 256211808), (2, 128105904), (3, 85403936), (4, 64052952), (6, 42701968), (8, 32026476), (12, 21350984), (16, 16013238), (19, 13484832), (24, 10675492), (32, 8006619), (38, 6742416), (48, 5337746), (57, 4494944), (76, 3371208), (96, 2668873), (114, 2247472), (152, 1685604), (228, 1123736), (304, 842802), (361, 709728), (456, 561868), (608, 421401), (722, 354864), (912, 280934), (1083, 236576), (1444, 177432), (1824, 140467), (2166, 118288), (2888, 88716), (4332, 59144), (5776, 44358), (7393, 34656), (8664, 29572), (11552, 22179), (14786, 17328)]