15109540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 32820480

約数和(自身を除く): 17710940

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 131, 146, 158, 262, 292, 316, 365, 395, 524, 655, 730, 790, 1310, 1460, 1580, 2620, 5767, 9563, 10349, 11534, 19126, 20698, 23068, 28835, 38252, 41396, 47815, 51745, 57670, 95630, 103490, 115340, 191260, 206980, 755477, 1510954, 3021908, 3777385, 7554770, 15109540]

約数ペア:

[(1, 15109540), (2, 7554770), (4, 3777385), (5, 3021908), (10, 1510954), (20, 755477), (73, 206980), (79, 191260), (131, 115340), (146, 103490), (158, 95630), (262, 57670), (292, 51745), (316, 47815), (365, 41396), (395, 38252), (524, 28835), (655, 23068), (730, 20698), (790, 19126), (1310, 11534), (1460, 10349), (1580, 9563), (2620, 5767)]