15149980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 33094656

約数和(自身を除く): 17944676

約数列:

[1, 2, 4, 5, 10, 20, 47, 71, 94, 142, 188, 227, 235, 284, 355, 454, 470, 710, 908, 940, 1135, 1420, 2270, 3337, 4540, 6674, 10669, 13348, 16117, 16685, 21338, 32234, 33370, 42676, 53345, 64468, 66740, 80585, 106690, 161170, 213380, 322340, 757499, 1514998, 3029996, 3787495, 7574990, 15149980]

約数ペア:

[(1, 15149980), (2, 7574990), (4, 3787495), (5, 3029996), (10, 1514998), (20, 757499), (47, 322340), (71, 213380), (94, 161170), (142, 106690), (188, 80585), (227, 66740), (235, 64468), (284, 53345), (355, 42676), (454, 33370), (470, 32234), (710, 21338), (908, 16685), (940, 16117), (1135, 13348), (1420, 10669), (2270, 6674), (3337, 4540)]