2021563980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{1247879}}^1$

素因数の和:1247900

約数の個数: 60

約数和(自身を含む): 6341726160

約数和(自身を除く): 4320162180

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, 1247879, 2495758, 3743637, 4991516, 6239395, 7487274, 11230911, 12478790, 14974548, 18718185, 22461822, 24957580, 33692733, 37436370, 44923644, 56154555, 67385466, 74872740, 101078199, 112309110, 134770932, 168463665, 202156398, 224618220, 336927330, 404312796, 505390995, 673854660, 1010781990, 2021563980]

約数ペア:

[(1, 2021563980), (2, 1010781990), (3, 673854660), (4, 505390995), (5, 404312796), (6, 336927330), (9, 224618220), (10, 202156398), (12, 168463665), (15, 134770932), (18, 112309110), (20, 101078199), (27, 74872740), (30, 67385466), (36, 56154555), (45, 44923644), (54, 37436370), (60, 33692733), (81, 24957580), (90, 22461822), (108, 18718185), (135, 14974548), (162, 12478790), (180, 11230911), (270, 7487274), (324, 6239395), (405, 4991516), (540, 3743637), (810, 2495758), (1620, 1247879)]