15909320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8117}}^1$

素因数の和:8142

約数の個数: 48

約数和(自身を含む): 41645340

約数和(自身を除く): 25736020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8117, 16234, 32468, 40585, 56819, 64936, 81170, 113638, 162340, 227276, 284095, 324680, 397733, 454552, 568190, 795466, 1136380, 1590932, 1988665, 2272760, 3181864, 3977330, 7954660, 15909320]

約数ペア:

[(1, 15909320), (2, 7954660), (4, 3977330), (5, 3181864), (7, 2272760), (8, 1988665), (10, 1590932), (14, 1136380), (20, 795466), (28, 568190), (35, 454552), (40, 397733), (49, 324680), (56, 284095), (70, 227276), (98, 162340), (140, 113638), (196, 81170), (245, 64936), (280, 56819), (392, 40585), (490, 32468), (980, 16234), (1960, 8117)]