15221820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2371}}^1$

素因数の和:2490

約数の個数: 48

約数和(自身を含む): 43037568

約数和(自身を除く): 27815748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 2371, 3210, 4742, 6420, 7113, 9484, 11855, 14226, 23710, 28452, 35565, 47420, 71130, 142260, 253697, 507394, 761091, 1014788, 1268485, 1522182, 2536970, 3044364, 3805455, 5073940, 7610910, 15221820]

約数ペア:

[(1, 15221820), (2, 7610910), (3, 5073940), (4, 3805455), (5, 3044364), (6, 2536970), (10, 1522182), (12, 1268485), (15, 1014788), (20, 761091), (30, 507394), (60, 253697), (107, 142260), (214, 71130), (321, 47420), (428, 35565), (535, 28452), (642, 23710), (1070, 14226), (1284, 11855), (1605, 9484), (2140, 7113), (2371, 6420), (3210, 4742)]