15578180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^2$

素因数の和:296

約数の個数: 36

約数和(自身を含む): 33547332

約数和(自身を除く): 17969152

約数列:

[1, 2, 4, 5, 10, 20, 61, 113, 122, 226, 244, 305, 452, 565, 610, 1130, 1220, 2260, 6893, 12769, 13786, 25538, 27572, 34465, 51076, 63845, 68930, 127690, 137860, 255380, 778909, 1557818, 3115636, 3894545, 7789090, 15578180]

約数ペア:

[(1, 15578180), (2, 7789090), (4, 3894545), (5, 3115636), (10, 1557818), (20, 778909), (61, 255380), (113, 137860), (122, 127690), (226, 68930), (244, 63845), (305, 51076), (452, 34465), (565, 27572), (610, 25538), (1130, 13786), (1220, 12769), (2260, 6893)]