28879740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17827}}^1$

素因数の和:17848

約数の個数: 60

約数和(自身を含む): 90601896

約数和(自身を除く): 61722156

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, 17827, 35654, 53481, 71308, 89135, 106962, 160443, 178270, 213924, 267405, 320886, 356540, 481329, 534810, 641772, 802215, 962658, 1069620, 1443987, 1604430, 1925316, 2406645, 2887974, 3208860, 4813290, 5775948, 7219935, 9626580, 14439870, 28879740]

約数ペア:

[(1, 28879740), (2, 14439870), (3, 9626580), (4, 7219935), (5, 5775948), (6, 4813290), (9, 3208860), (10, 2887974), (12, 2406645), (15, 1925316), (18, 1604430), (20, 1443987), (27, 1069620), (30, 962658), (36, 802215), (45, 641772), (54, 534810), (60, 481329), (81, 356540), (90, 320886), (108, 267405), (135, 213924), (162, 178270), (180, 160443), (270, 106962), (324, 89135), (405, 71308), (540, 53481), (810, 35654), (1620, 17827)]