15221660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 34503840

約数和(自身を除く): 19282180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 977, 1558, 1954, 3116, 3895, 3908, 4885, 7790, 9770, 15580, 18563, 19540, 37126, 40057, 74252, 80114, 92815, 160228, 185630, 200285, 371260, 400570, 761083, 801140, 1522166, 3044332, 3805415, 7610830, 15221660]

約数ペア:

[(1, 15221660), (2, 7610830), (4, 3805415), (5, 3044332), (10, 1522166), (19, 801140), (20, 761083), (38, 400570), (41, 371260), (76, 200285), (82, 185630), (95, 160228), (164, 92815), (190, 80114), (205, 74252), (380, 40057), (410, 37126), (779, 19540), (820, 18563), (977, 15580), (1558, 9770), (1954, 7790), (3116, 4885), (3895, 3908)]