15218740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2633}}^1$

素因数の和:2676

約数の個数: 36

約数和(自身を含む): 33962796

約数和(自身を除く): 18744056

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2633, 2890, 5266, 5780, 10532, 13165, 26330, 44761, 52660, 89522, 179044, 223805, 447610, 760937, 895220, 1521874, 3043748, 3804685, 7609370, 15218740]

約数ペア:

[(1, 15218740), (2, 7609370), (4, 3804685), (5, 3043748), (10, 1521874), (17, 895220), (20, 760937), (34, 447610), (68, 223805), (85, 179044), (170, 89522), (289, 52660), (340, 44761), (578, 26330), (1156, 13165), (1445, 10532), (2633, 5780), (2890, 5266)]