57420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:55

約数の個数: 72

約数和(自身を含む): 196560

約数和(自身を除く): 139140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 33, 36, 44, 45, 55, 58, 60, 66, 87, 90, 99, 110, 116, 132, 145, 165, 174, 180, 198, 220, 261, 290, 319, 330, 348, 396, 435, 495, 522, 580, 638, 660, 870, 957, 990, 1044, 1276, 1305, 1595, 1740, 1914, 1980, 2610, 2871, 3190, 3828, 4785, 5220, 5742, 6380, 9570, 11484, 14355, 19140, 28710, 57420]

約数ペア:

[(1, 57420), (2, 28710), (3, 19140), (4, 14355), (5, 11484), (6, 9570), (9, 6380), (10, 5742), (11, 5220), (12, 4785), (15, 3828), (18, 3190), (20, 2871), (22, 2610), (29, 1980), (30, 1914), (33, 1740), (36, 1595), (44, 1305), (45, 1276), (55, 1044), (58, 990), (60, 957), (66, 870), (87, 660), (90, 638), (99, 580), (110, 522), (116, 495), (132, 435), (145, 396), (165, 348), (174, 330), (180, 319), (198, 290), (220, 261)]