15165780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{36109}}^1$

素因数の和:36128

約数の個数: 48

約数和(自身を含む): 48531840

約数和(自身を除く): 33366060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 36109, 72218, 108327, 144436, 180545, 216654, 252763, 361090, 433308, 505526, 541635, 722180, 758289, 1011052, 1083270, 1263815, 1516578, 2166540, 2527630, 3033156, 3791445, 5055260, 7582890, 15165780]

約数ペア:

[(1, 15165780), (2, 7582890), (3, 5055260), (4, 3791445), (5, 3033156), (6, 2527630), (7, 2166540), (10, 1516578), (12, 1263815), (14, 1083270), (15, 1011052), (20, 758289), (21, 722180), (28, 541635), (30, 505526), (35, 433308), (42, 361090), (60, 252763), (70, 216654), (84, 180545), (105, 144436), (140, 108327), (210, 72218), (420, 36109)]