21639960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6679}}^1$

素因数の和:6702

約数の個数: 80

約数和(自身を含む): 72745200

約数和(自身を除く): 51105240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6679, 13358, 20037, 26716, 33395, 40074, 53432, 60111, 66790, 80148, 100185, 120222, 133580, 160296, 180333, 200370, 240444, 267160, 300555, 360666, 400740, 480888, 540999, 601110, 721332, 801480, 901665, 1081998, 1202220, 1442664, 1803330, 2163996, 2404440, 2704995, 3606660, 4327992, 5409990, 7213320, 10819980, 21639960]

約数ペア:

[(1, 21639960), (2, 10819980), (3, 7213320), (4, 5409990), (5, 4327992), (6, 3606660), (8, 2704995), (9, 2404440), (10, 2163996), (12, 1803330), (15, 1442664), (18, 1202220), (20, 1081998), (24, 901665), (27, 801480), (30, 721332), (36, 601110), (40, 540999), (45, 480888), (54, 400740), (60, 360666), (72, 300555), (81, 267160), (90, 240444), (108, 200370), (120, 180333), (135, 160296), (162, 133580), (180, 120222), (216, 100185), (270, 80148), (324, 66790), (360, 60111), (405, 53432), (540, 40074), (648, 33395), (810, 26716), (1080, 20037), (1620, 13358), (3240, 6679)]