2755620

素因数分解:

$2^2\times 3^9\times 5^1\times 7^1$

素因数の和:43

約数の個数: 120

約数和(自身を含む): 9920064

約数和(自身を除く): 7164444

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, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 729, 756, 810, 945, 972, 1134, 1215, 1260, 1458, 1620, 1701, 1890, 2187, 2268, 2430, 2835, 2916, 3402, 3645, 3780, 4374, 4860, 5103, 5670, 6561, 6804, 7290, 8505, 8748, 10206, 10935, 11340, 13122, 14580, 15309, 17010, 19683, 20412, 21870, 25515, 26244, 30618, 32805, 34020, 39366, 43740, 45927, 51030, 61236, 65610, 76545, 78732, 91854, 98415, 102060, 131220, 137781, 153090, 183708, 196830, 229635, 275562, 306180, 393660, 459270, 551124, 688905, 918540, 1377810, 2755620]

約数ペア:

[(1, 2755620), (2, 1377810), (3, 918540), (4, 688905), (5, 551124), (6, 459270), (7, 393660), (9, 306180), (10, 275562), (12, 229635), (14, 196830), (15, 183708), (18, 153090), (20, 137781), (21, 131220), (27, 102060), (28, 98415), (30, 91854), (35, 78732), (36, 76545), (42, 65610), (45, 61236), (54, 51030), (60, 45927), (63, 43740), (70, 39366), (81, 34020), (84, 32805), (90, 30618), (105, 26244), (108, 25515), (126, 21870), (135, 20412), (140, 19683), (162, 17010), (180, 15309), (189, 14580), (210, 13122), (243, 11340), (252, 10935), (270, 10206), (315, 8748), (324, 8505), (378, 7290), (405, 6804), (420, 6561), (486, 5670), (540, 5103), (567, 4860), (630, 4374), (729, 3780), (756, 3645), (810, 3402), (945, 2916), (972, 2835), (1134, 2430), (1215, 2268), (1260, 2187), (1458, 1890), (1620, 1701)]