212559660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{393629}}^1$

素因数の和:393647

約数の個数: 48

約数和(自身を含む): 661298400

約数和(自身を除く): 448738740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 393629, 787258, 1180887, 1574516, 1968145, 2361774, 3542661, 3936290, 4723548, 5904435, 7085322, 7872580, 10627983, 11808870, 14170644, 17713305, 21255966, 23617740, 35426610, 42511932, 53139915, 70853220, 106279830, 212559660]

約数ペア:

[(1, 212559660), (2, 106279830), (3, 70853220), (4, 53139915), (5, 42511932), (6, 35426610), (9, 23617740), (10, 21255966), (12, 17713305), (15, 14170644), (18, 11808870), (20, 10627983), (27, 7872580), (30, 7085322), (36, 5904435), (45, 4723548), (54, 3936290), (60, 3542661), (90, 2361774), (108, 1968145), (135, 1574516), (180, 1180887), (270, 787258), (540, 393629)]