15260740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 35489664

約数和(自身を除く): 20228924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 977, 1420, 1562, 1954, 3124, 3905, 3908, 4885, 7810, 9770, 10747, 15620, 19540, 21494, 42988, 53735, 69367, 107470, 138734, 214940, 277468, 346835, 693670, 763037, 1387340, 1526074, 3052148, 3815185, 7630370, 15260740]

約数ペア:

[(1, 15260740), (2, 7630370), (4, 3815185), (5, 3052148), (10, 1526074), (11, 1387340), (20, 763037), (22, 693670), (44, 346835), (55, 277468), (71, 214940), (110, 138734), (142, 107470), (220, 69367), (284, 53735), (355, 42988), (710, 21494), (781, 19540), (977, 15620), (1420, 10747), (1562, 9770), (1954, 7810), (3124, 4885), (3905, 3908)]