2639790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{3259}}^1$

素因数の和:3278

約数の個数: 40

約数和(自身を含む): 7100280

約数和(自身を除く): 4460490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 3259, 6518, 9777, 16295, 19554, 29331, 32590, 48885, 58662, 87993, 97770, 146655, 175986, 263979, 293310, 439965, 527958, 879930, 1319895, 2639790]

約数ペア:

[(1, 2639790), (2, 1319895), (3, 879930), (5, 527958), (6, 439965), (9, 293310), (10, 263979), (15, 175986), (18, 146655), (27, 97770), (30, 87993), (45, 58662), (54, 48885), (81, 32590), (90, 29331), (135, 19554), (162, 16295), (270, 9777), (405, 6518), (810, 3259)]