2581620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2531}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 7656768

約数和(自身を除く): 5075148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 2531, 5062, 7593, 10124, 12655, 15186, 25310, 30372, 37965, 43027, 50620, 75930, 86054, 129081, 151860, 172108, 215135, 258162, 430270, 516324, 645405, 860540, 1290810, 2581620]

約数ペア:

[(1, 2581620), (2, 1290810), (3, 860540), (4, 645405), (5, 516324), (6, 430270), (10, 258162), (12, 215135), (15, 172108), (17, 151860), (20, 129081), (30, 86054), (34, 75930), (51, 50620), (60, 43027), (68, 37965), (85, 30372), (102, 25310), (170, 15186), (204, 12655), (255, 10124), (340, 7593), (510, 5062), (1020, 2531)]