15013660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 32598720

約数和(自身を除く): 17585060

約数列:

[1, 2, 4, 5, 10, 20, 71, 97, 109, 142, 194, 218, 284, 355, 388, 436, 485, 545, 710, 970, 1090, 1420, 1940, 2180, 6887, 7739, 10573, 13774, 15478, 21146, 27548, 30956, 34435, 38695, 42292, 52865, 68870, 77390, 105730, 137740, 154780, 211460, 750683, 1501366, 3002732, 3753415, 7506830, 15013660]

約数ペア:

[(1, 15013660), (2, 7506830), (4, 3753415), (5, 3002732), (10, 1501366), (20, 750683), (71, 211460), (97, 154780), (109, 137740), (142, 105730), (194, 77390), (218, 68870), (284, 52865), (355, 42292), (388, 38695), (436, 34435), (485, 30956), (545, 27548), (710, 21146), (970, 15478), (1090, 13774), (1420, 10573), (1940, 7739), (2180, 6887)]