555660

素因数分解:

$2^2\times 3^4\times 5^1\times 7^3$

素因数の和:42

約数の個数: 120

約数和(自身を含む): 2032800

約数和(自身を除く): 1477140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 343, 378, 405, 420, 441, 490, 540, 567, 588, 630, 686, 735, 756, 810, 882, 945, 980, 1029, 1134, 1260, 1323, 1372, 1470, 1620, 1715, 1764, 1890, 2058, 2205, 2268, 2646, 2835, 2940, 3087, 3430, 3780, 3969, 4116, 4410, 5145, 5292, 5670, 6174, 6615, 6860, 7938, 8820, 9261, 10290, 11340, 12348, 13230, 15435, 15876, 18522, 19845, 20580, 26460, 27783, 30870, 37044, 39690, 46305, 55566, 61740, 79380, 92610, 111132, 138915, 185220, 277830, 555660]

約数ペア:

[(1, 555660), (2, 277830), (3, 185220), (4, 138915), (5, 111132), (6, 92610), (7, 79380), (9, 61740), (10, 55566), (12, 46305), (14, 39690), (15, 37044), (18, 30870), (20, 27783), (21, 26460), (27, 20580), (28, 19845), (30, 18522), (35, 15876), (36, 15435), (42, 13230), (45, 12348), (49, 11340), (54, 10290), (60, 9261), (63, 8820), (70, 7938), (81, 6860), (84, 6615), (90, 6174), (98, 5670), (105, 5292), (108, 5145), (126, 4410), (135, 4116), (140, 3969), (147, 3780), (162, 3430), (180, 3087), (189, 2940), (196, 2835), (210, 2646), (245, 2268), (252, 2205), (270, 2058), (294, 1890), (315, 1764), (324, 1715), (343, 1620), (378, 1470), (405, 1372), (420, 1323), (441, 1260), (490, 1134), (540, 1029), (567, 980), (588, 945), (630, 882), (686, 810), (735, 756)]