15897830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 32412960

約数和(自身を除く): 16515130

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 169, 230, 299, 338, 409, 598, 818, 845, 1495, 1690, 2045, 2990, 3887, 4090, 5317, 7774, 9407, 10634, 18814, 19435, 26585, 38870, 47035, 53170, 69121, 94070, 122291, 138242, 244582, 345605, 611455, 691210, 1222910, 1589783, 3179566, 7948915, 15897830]

約数ペア:

[(1, 15897830), (2, 7948915), (5, 3179566), (10, 1589783), (13, 1222910), (23, 691210), (26, 611455), (46, 345605), (65, 244582), (115, 138242), (130, 122291), (169, 94070), (230, 69121), (299, 53170), (338, 47035), (409, 38870), (598, 26585), (818, 19435), (845, 18814), (1495, 10634), (1690, 9407), (2045, 7774), (2990, 5317), (3887, 4090)]