28396980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{5843}}^1$

素因数の和:5867

約数の個数: 72

約数和(自身を含む): 89343072

約数和(自身を除く): 60946092

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, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 5843, 11686, 17529, 23372, 29215, 35058, 52587, 58430, 70116, 87645, 105174, 116860, 157761, 175290, 210348, 262935, 315522, 350580, 473283, 525870, 631044, 788805, 946566, 1051740, 1419849, 1577610, 1893132, 2366415, 2839698, 3155220, 4732830, 5679396, 7099245, 9465660, 14198490, 28396980]

約数ペア:

[(1, 28396980), (2, 14198490), (3, 9465660), (4, 7099245), (5, 5679396), (6, 4732830), (9, 3155220), (10, 2839698), (12, 2366415), (15, 1893132), (18, 1577610), (20, 1419849), (27, 1051740), (30, 946566), (36, 788805), (45, 631044), (54, 525870), (60, 473283), (81, 350580), (90, 315522), (108, 262935), (135, 210348), (162, 175290), (180, 157761), (243, 116860), (270, 105174), (324, 87645), (405, 70116), (486, 58430), (540, 52587), (810, 35058), (972, 29215), (1215, 23372), (1620, 17529), (2430, 11686), (4860, 5843)]