15115540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 34965504

約数和(自身を除く): 19849964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 508, 541, 635, 1082, 1270, 1397, 2164, 2540, 2705, 2794, 5410, 5588, 5951, 6985, 10820, 11902, 13970, 23804, 27940, 29755, 59510, 68707, 119020, 137414, 274828, 343535, 687070, 755777, 1374140, 1511554, 3023108, 3778885, 7557770, 15115540]

約数ペア:

[(1, 15115540), (2, 7557770), (4, 3778885), (5, 3023108), (10, 1511554), (11, 1374140), (20, 755777), (22, 687070), (44, 343535), (55, 274828), (110, 137414), (127, 119020), (220, 68707), (254, 59510), (508, 29755), (541, 27940), (635, 23804), (1082, 13970), (1270, 11902), (1397, 10820), (2164, 6985), (2540, 5951), (2705, 5588), (2794, 5410)]