143871640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4139}}^1$

素因数の和:4240

約数の個数: 64

約数和(自身を含む): 357696000

約数和(自身を除く): 213824360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 3160, 3476, 4139, 4345, 6952, 8278, 8690, 16556, 17380, 20695, 33112, 34760, 41390, 45529, 82780, 91058, 165560, 182116, 227645, 326981, 364232, 455290, 653962, 910580, 1307924, 1634905, 1821160, 2615848, 3269810, 3596791, 6539620, 7193582, 13079240, 14387164, 17983955, 28774328, 35967910, 71935820, 143871640]

約数ペア:

[(1, 143871640), (2, 71935820), (4, 35967910), (5, 28774328), (8, 17983955), (10, 14387164), (11, 13079240), (20, 7193582), (22, 6539620), (40, 3596791), (44, 3269810), (55, 2615848), (79, 1821160), (88, 1634905), (110, 1307924), (158, 910580), (220, 653962), (316, 455290), (395, 364232), (440, 326981), (632, 227645), (790, 182116), (869, 165560), (1580, 91058), (1738, 82780), (3160, 45529), (3476, 41390), (4139, 34760), (4345, 33112), (6952, 20695), (8278, 17380), (8690, 16556)]