15144740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1879}}^1$

素因数の和:1932

約数の個数: 48

約数和(自身を含む): 35374080

約数和(自身を除く): 20229340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 1879, 2015, 3758, 4030, 7516, 8060, 9395, 18790, 24427, 37580, 48854, 58249, 97708, 116498, 122135, 232996, 244270, 291245, 488540, 582490, 757237, 1164980, 1514474, 3028948, 3786185, 7572370, 15144740]

約数ペア:

[(1, 15144740), (2, 7572370), (4, 3786185), (5, 3028948), (10, 1514474), (13, 1164980), (20, 757237), (26, 582490), (31, 488540), (52, 291245), (62, 244270), (65, 232996), (124, 122135), (130, 116498), (155, 97708), (260, 58249), (310, 48854), (403, 37580), (620, 24427), (806, 18790), (1612, 9395), (1879, 8060), (2015, 7516), (3758, 4030)]