15601980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{569}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 43858080

約数和(自身を除く): 28256100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 569, 914, 1138, 1371, 1707, 1828, 2276, 2285, 2742, 2845, 3414, 4570, 5484, 5690, 6828, 6855, 8535, 9140, 11380, 13710, 17070, 27420, 34140, 260033, 520066, 780099, 1040132, 1300165, 1560198, 2600330, 3120396, 3900495, 5200660, 7800990, 15601980]

約数ペア:

[(1, 15601980), (2, 7800990), (3, 5200660), (4, 3900495), (5, 3120396), (6, 2600330), (10, 1560198), (12, 1300165), (15, 1040132), (20, 780099), (30, 520066), (60, 260033), (457, 34140), (569, 27420), (914, 17070), (1138, 13710), (1371, 11380), (1707, 9140), (1828, 8535), (2276, 6855), (2285, 6828), (2742, 5690), (2845, 5484), (3414, 4570)]