15556980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1033}}^1$

素因数の和:1296

約数の個数: 48

約数和(自身を含む): 43775424

約数和(自身を除く): 28218444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1033, 1255, 1506, 2066, 2510, 3012, 3099, 3765, 4132, 5020, 5165, 6198, 7530, 10330, 12396, 15060, 15495, 20660, 30990, 61980, 259283, 518566, 777849, 1037132, 1296415, 1555698, 2592830, 3111396, 3889245, 5185660, 7778490, 15556980]

約数ペア:

[(1, 15556980), (2, 7778490), (3, 5185660), (4, 3889245), (5, 3111396), (6, 2592830), (10, 1555698), (12, 1296415), (15, 1037132), (20, 777849), (30, 518566), (60, 259283), (251, 61980), (502, 30990), (753, 20660), (1004, 15495), (1033, 15060), (1255, 12396), (1506, 10330), (2066, 7530), (2510, 6198), (3012, 5165), (3099, 5020), (3765, 4132)]