66408660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{40993}}^1$

素因数の和:41014

約数の個数: 60

約数和(自身を含む): 208331508

約数和(自身を除く): 141922848

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, 40993, 81986, 122979, 163972, 204965, 245958, 368937, 409930, 491916, 614895, 737874, 819860, 1106811, 1229790, 1475748, 1844685, 2213622, 2459580, 3320433, 3689370, 4427244, 5534055, 6640866, 7378740, 11068110, 13281732, 16602165, 22136220, 33204330, 66408660]

約数ペア:

[(1, 66408660), (2, 33204330), (3, 22136220), (4, 16602165), (5, 13281732), (6, 11068110), (9, 7378740), (10, 6640866), (12, 5534055), (15, 4427244), (18, 3689370), (20, 3320433), (27, 2459580), (30, 2213622), (36, 1844685), (45, 1475748), (54, 1229790), (60, 1106811), (81, 819860), (90, 737874), (108, 614895), (135, 491916), (162, 409930), (180, 368937), (270, 245958), (324, 204965), (405, 163972), (540, 122979), (810, 81986), (1620, 40993)]