81262560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2143}}^1$

素因数の和:2240

約数の個数: 96

約数和(自身を含む): 259338240

約数和(自身を除く): 178075680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 79, 80, 96, 120, 158, 160, 237, 240, 316, 395, 474, 480, 632, 790, 948, 1185, 1264, 1580, 1896, 2143, 2370, 2528, 3160, 3792, 4286, 4740, 6320, 6429, 7584, 8572, 9480, 10715, 12640, 12858, 17144, 18960, 21430, 25716, 32145, 34288, 37920, 42860, 51432, 64290, 68576, 85720, 102864, 128580, 169297, 171440, 205728, 257160, 338594, 342880, 507891, 514320, 677188, 846485, 1015782, 1028640, 1354376, 1692970, 2031564, 2539455, 2708752, 3385940, 4063128, 5078910, 5417504, 6771880, 8126256, 10157820, 13543760, 16252512, 20315640, 27087520, 40631280, 81262560]

約数ペア:

[(1, 81262560), (2, 40631280), (3, 27087520), (4, 20315640), (5, 16252512), (6, 13543760), (8, 10157820), (10, 8126256), (12, 6771880), (15, 5417504), (16, 5078910), (20, 4063128), (24, 3385940), (30, 2708752), (32, 2539455), (40, 2031564), (48, 1692970), (60, 1354376), (79, 1028640), (80, 1015782), (96, 846485), (120, 677188), (158, 514320), (160, 507891), (237, 342880), (240, 338594), (316, 257160), (395, 205728), (474, 171440), (480, 169297), (632, 128580), (790, 102864), (948, 85720), (1185, 68576), (1264, 64290), (1580, 51432), (1896, 42860), (2143, 37920), (2370, 34288), (2528, 32145), (3160, 25716), (3792, 21430), (4286, 18960), (4740, 17144), (6320, 12858), (6429, 12640), (7584, 10715), (8572, 9480)]