1615207780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{109}}^1\times {\mathrm{881}}^1$

素因数の和:1057

約数の個数: 72

約数和(自身を含む): 3549185640

約数和(自身を除く): 1933977860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 145, 218, 290, 436, 545, 580, 841, 881, 1090, 1682, 1762, 2180, 3161, 3364, 3524, 4205, 4405, 6322, 8410, 8810, 12644, 15805, 16820, 17620, 25549, 31610, 51098, 63220, 91669, 96029, 102196, 127745, 183338, 192058, 255490, 366676, 384116, 458345, 480145, 510980, 740921, 916690, 960290, 1481842, 1833380, 1920580, 2784841, 2963684, 3704605, 5569682, 7409210, 11139364, 13924205, 14818420, 27848410, 55696820, 80760389, 161520778, 323041556, 403801945, 807603890, 1615207780]

約数ペア:

[(1, 1615207780), (2, 807603890), (4, 403801945), (5, 323041556), (10, 161520778), (20, 80760389), (29, 55696820), (58, 27848410), (109, 14818420), (116, 13924205), (145, 11139364), (218, 7409210), (290, 5569682), (436, 3704605), (545, 2963684), (580, 2784841), (841, 1920580), (881, 1833380), (1090, 1481842), (1682, 960290), (1762, 916690), (2180, 740921), (3161, 510980), (3364, 480145), (3524, 458345), (4205, 384116), (4405, 366676), (6322, 255490), (8410, 192058), (8810, 183338), (12644, 127745), (15805, 102196), (16820, 96029), (17620, 91669), (25549, 63220), (31610, 51098)]