15368660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 33384960

約数和(自身を除く): 18016300

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 137, 142, 158, 274, 284, 316, 355, 395, 548, 685, 710, 790, 1370, 1420, 1580, 2740, 5609, 9727, 10823, 11218, 19454, 21646, 22436, 28045, 38908, 43292, 48635, 54115, 56090, 97270, 108230, 112180, 194540, 216460, 768433, 1536866, 3073732, 3842165, 7684330, 15368660]

約数ペア:

[(1, 15368660), (2, 7684330), (4, 3842165), (5, 3073732), (10, 1536866), (20, 768433), (71, 216460), (79, 194540), (137, 112180), (142, 108230), (158, 97270), (274, 56090), (284, 54115), (316, 48635), (355, 43292), (395, 38908), (548, 28045), (685, 22436), (710, 21646), (790, 19454), (1370, 11218), (1420, 10823), (1580, 9727), (2740, 5609)]