28257660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17443}}^1$

素因数の和:17464

約数の個数: 60

約数和(自身を含む): 88650408

約数和(自身を除く): 60392748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 17443, 34886, 52329, 69772, 87215, 104658, 156987, 174430, 209316, 261645, 313974, 348860, 470961, 523290, 627948, 784935, 941922, 1046580, 1412883, 1569870, 1883844, 2354805, 2825766, 3139740, 4709610, 5651532, 7064415, 9419220, 14128830, 28257660]

約数ペア:

[(1, 28257660), (2, 14128830), (3, 9419220), (4, 7064415), (5, 5651532), (6, 4709610), (9, 3139740), (10, 2825766), (12, 2354805), (15, 1883844), (18, 1569870), (20, 1412883), (27, 1046580), (30, 941922), (36, 784935), (45, 627948), (54, 523290), (60, 470961), (81, 348860), (90, 313974), (108, 261645), (135, 209316), (162, 174430), (180, 156987), (270, 104658), (324, 87215), (405, 69772), (540, 52329), (810, 34886), (1620, 17443)]