31584080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1889}}^1$

素因数の和:1932

約数の個数: 80

約数和(自身を含む): 84369600

約数和(自身を除く): 52785520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 1889, 2090, 3344, 3778, 4180, 7556, 8360, 9445, 15112, 16720, 18890, 20779, 30224, 35891, 37780, 41558, 71782, 75560, 83116, 103895, 143564, 151120, 166232, 179455, 207790, 287128, 332464, 358910, 394801, 415580, 574256, 717820, 789602, 831160, 1435640, 1579204, 1662320, 1974005, 2871280, 3158408, 3948010, 6316816, 7896020, 15792040, 31584080]

約数ペア:

[(1, 31584080), (2, 15792040), (4, 7896020), (5, 6316816), (8, 3948010), (10, 3158408), (11, 2871280), (16, 1974005), (19, 1662320), (20, 1579204), (22, 1435640), (38, 831160), (40, 789602), (44, 717820), (55, 574256), (76, 415580), (80, 394801), (88, 358910), (95, 332464), (110, 287128), (152, 207790), (176, 179455), (190, 166232), (209, 151120), (220, 143564), (304, 103895), (380, 83116), (418, 75560), (440, 71782), (760, 41558), (836, 37780), (880, 35891), (1045, 30224), (1520, 20779), (1672, 18890), (1889, 16720), (2090, 15112), (3344, 9445), (3778, 8360), (4180, 7556)]