15371620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{653}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 35598528

約数和(自身を除く): 20226908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 653, 1070, 1177, 1306, 2140, 2354, 2612, 3265, 4708, 5885, 6530, 7183, 11770, 13060, 14366, 23540, 28732, 35915, 69871, 71830, 139742, 143660, 279484, 349355, 698710, 768581, 1397420, 1537162, 3074324, 3842905, 7685810, 15371620]

約数ペア:

[(1, 15371620), (2, 7685810), (4, 3842905), (5, 3074324), (10, 1537162), (11, 1397420), (20, 768581), (22, 698710), (44, 349355), (55, 279484), (107, 143660), (110, 139742), (214, 71830), (220, 69871), (428, 35915), (535, 28732), (653, 23540), (1070, 14366), (1177, 13060), (1306, 11770), (2140, 7183), (2354, 6530), (2612, 5885), (3265, 4708)]