15831970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:763

約数の個数: 64

約数和(自身を含む): 36806400

約数和(自身を除く): 20974430

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 55, 58, 70, 77, 110, 145, 154, 203, 290, 319, 385, 406, 638, 709, 770, 1015, 1418, 1595, 2030, 2233, 3190, 3545, 4466, 4963, 7090, 7799, 9926, 11165, 15598, 20561, 22330, 24815, 38995, 41122, 49630, 54593, 77990, 102805, 109186, 143927, 205610, 226171, 272965, 287854, 452342, 545930, 719635, 1130855, 1439270, 1583197, 2261710, 3166394, 7915985, 15831970]

約数ペア:

[(1, 15831970), (2, 7915985), (5, 3166394), (7, 2261710), (10, 1583197), (11, 1439270), (14, 1130855), (22, 719635), (29, 545930), (35, 452342), (55, 287854), (58, 272965), (70, 226171), (77, 205610), (110, 143927), (145, 109186), (154, 102805), (203, 77990), (290, 54593), (319, 49630), (385, 41122), (406, 38995), (638, 24815), (709, 22330), (770, 20561), (1015, 15598), (1418, 11165), (1595, 9926), (2030, 7799), (2233, 7090), (3190, 4963), (3545, 4466)]