15521660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10079}}^1$

素因数の和:10106

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 25120900

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 10079, 20158, 40316, 50395, 70553, 100790, 110869, 141106, 201580, 221738, 282212, 352765, 443476, 554345, 705530, 776083, 1108690, 1411060, 1552166, 2217380, 3104332, 3880415, 7760830, 15521660]

約数ペア:

[(1, 15521660), (2, 7760830), (4, 3880415), (5, 3104332), (7, 2217380), (10, 1552166), (11, 1411060), (14, 1108690), (20, 776083), (22, 705530), (28, 554345), (35, 443476), (44, 352765), (55, 282212), (70, 221738), (77, 201580), (110, 141106), (140, 110869), (154, 100790), (220, 70553), (308, 50395), (385, 40316), (770, 20158), (1540, 10079)]