15831820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 35094528

約数和(自身を除く): 19262708

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 127, 230, 254, 271, 460, 508, 542, 635, 1084, 1270, 1355, 2540, 2710, 2921, 5420, 5842, 6233, 11684, 12466, 14605, 24932, 29210, 31165, 34417, 58420, 62330, 68834, 124660, 137668, 172085, 344170, 688340, 791591, 1583182, 3166364, 3957955, 7915910, 15831820]

約数ペア:

[(1, 15831820), (2, 7915910), (4, 3957955), (5, 3166364), (10, 1583182), (20, 791591), (23, 688340), (46, 344170), (92, 172085), (115, 137668), (127, 124660), (230, 68834), (254, 62330), (271, 58420), (460, 34417), (508, 31165), (542, 29210), (635, 24932), (1084, 14605), (1270, 12466), (1355, 11684), (2540, 6233), (2710, 5842), (2921, 5420)]