64117725

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 125527680

約数和(自身を除く): 61409955

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 73, 75, 105, 147, 175, 219, 239, 245, 365, 511, 525, 717, 735, 1095, 1195, 1225, 1533, 1673, 1825, 2555, 3577, 3585, 3675, 5019, 5475, 5975, 7665, 8365, 10731, 11711, 12775, 17447, 17885, 17925, 25095, 35133, 38325, 41825, 52341, 53655, 58555, 87235, 89425, 122129, 125475, 175665, 261705, 268275, 292775, 366387, 436175, 610645, 854903, 878325, 1308525, 1831935, 2564709, 3053225, 4274515, 9159675, 12823545, 21372575, 64117725]

約数ペア:

[(1, 64117725), (3, 21372575), (5, 12823545), (7, 9159675), (15, 4274515), (21, 3053225), (25, 2564709), (35, 1831935), (49, 1308525), (73, 878325), (75, 854903), (105, 610645), (147, 436175), (175, 366387), (219, 292775), (239, 268275), (245, 261705), (365, 175665), (511, 125475), (525, 122129), (717, 89425), (735, 87235), (1095, 58555), (1195, 53655), (1225, 52341), (1533, 41825), (1673, 38325), (1825, 35133), (2555, 25095), (3577, 17925), (3585, 17885), (3675, 17447), (5019, 12775), (5475, 11711), (5975, 10731), (7665, 8365)]