40631280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2143}}^1$

素因数の和:2238

約数の個数: 80

約数和(自身を含む): 127610880

約数和(自身を除く): 86979600

約数列:

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

約数ペア:

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