15788180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 34715520

約数和(自身を除く): 18927340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 163, 167, 290, 326, 334, 580, 652, 668, 815, 835, 1630, 1670, 3260, 3340, 4727, 4843, 9454, 9686, 18908, 19372, 23635, 24215, 27221, 47270, 48430, 54442, 94540, 96860, 108884, 136105, 272210, 544420, 789409, 1578818, 3157636, 3947045, 7894090, 15788180]

約数ペア:

[(1, 15788180), (2, 7894090), (4, 3947045), (5, 3157636), (10, 1578818), (20, 789409), (29, 544420), (58, 272210), (116, 136105), (145, 108884), (163, 96860), (167, 94540), (290, 54442), (326, 48430), (334, 47270), (580, 27221), (652, 24215), (668, 23635), (815, 19372), (835, 18908), (1630, 9686), (1670, 9454), (3260, 4843), (3340, 4727)]