31811340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 98106624

約数和(自身を除く): 66295284

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 157, 165, 220, 307, 314, 330, 471, 614, 628, 660, 785, 921, 942, 1228, 1535, 1570, 1727, 1842, 1884, 2355, 3070, 3140, 3377, 3454, 3684, 4605, 4710, 5181, 6140, 6754, 6908, 8635, 9210, 9420, 10131, 10362, 13508, 16885, 17270, 18420, 20262, 20724, 25905, 33770, 34540, 40524, 48199, 50655, 51810, 67540, 96398, 101310, 103620, 144597, 192796, 202620, 240995, 289194, 481990, 530189, 578388, 722985, 963980, 1060378, 1445970, 1590567, 2120756, 2650945, 2891940, 3181134, 5301890, 6362268, 7952835, 10603780, 15905670, 31811340]

約数ペア:

[(1, 31811340), (2, 15905670), (3, 10603780), (4, 7952835), (5, 6362268), (6, 5301890), (10, 3181134), (11, 2891940), (12, 2650945), (15, 2120756), (20, 1590567), (22, 1445970), (30, 1060378), (33, 963980), (44, 722985), (55, 578388), (60, 530189), (66, 481990), (110, 289194), (132, 240995), (157, 202620), (165, 192796), (220, 144597), (307, 103620), (314, 101310), (330, 96398), (471, 67540), (614, 51810), (628, 50655), (660, 48199), (785, 40524), (921, 34540), (942, 33770), (1228, 25905), (1535, 20724), (1570, 20262), (1727, 18420), (1842, 17270), (1884, 16885), (2355, 13508), (3070, 10362), (3140, 10131), (3377, 9420), (3454, 9210), (3684, 8635), (4605, 6908), (4710, 6754), (5181, 6140)]