28591080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:459

約数の個数: 128

約数和(自身を含む): 99290880

約数和(自身を除く): 70699800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 101, 105, 120, 140, 168, 202, 210, 280, 303, 337, 404, 420, 505, 606, 674, 707, 808, 840, 1010, 1011, 1212, 1348, 1414, 1515, 1685, 2020, 2022, 2121, 2359, 2424, 2696, 2828, 3030, 3370, 3535, 4040, 4044, 4242, 4718, 5055, 5656, 6060, 6740, 7070, 7077, 8088, 8484, 9436, 10110, 10605, 11795, 12120, 13480, 14140, 14154, 16968, 18872, 20220, 21210, 23590, 28280, 28308, 34037, 35385, 40440, 42420, 47180, 56616, 68074, 70770, 84840, 94360, 102111, 136148, 141540, 170185, 204222, 238259, 272296, 283080, 340370, 408444, 476518, 510555, 680740, 714777, 816888, 953036, 1021110, 1191295, 1361480, 1429554, 1906072, 2042220, 2382590, 2859108, 3573885, 4084440, 4765180, 5718216, 7147770, 9530360, 14295540, 28591080]

約数ペア:

[(1, 28591080), (2, 14295540), (3, 9530360), (4, 7147770), (5, 5718216), (6, 4765180), (7, 4084440), (8, 3573885), (10, 2859108), (12, 2382590), (14, 2042220), (15, 1906072), (20, 1429554), (21, 1361480), (24, 1191295), (28, 1021110), (30, 953036), (35, 816888), (40, 714777), (42, 680740), (56, 510555), (60, 476518), (70, 408444), (84, 340370), (101, 283080), (105, 272296), (120, 238259), (140, 204222), (168, 170185), (202, 141540), (210, 136148), (280, 102111), (303, 94360), (337, 84840), (404, 70770), (420, 68074), (505, 56616), (606, 47180), (674, 42420), (707, 40440), (808, 35385), (840, 34037), (1010, 28308), (1011, 28280), (1212, 23590), (1348, 21210), (1414, 20220), (1515, 18872), (1685, 16968), (2020, 14154), (2022, 14140), (2121, 13480), (2359, 12120), (2424, 11795), (2696, 10605), (2828, 10110), (3030, 9436), (3370, 8484), (3535, 8088), (4040, 7077), (4044, 7070), (4242, 6740), (4718, 6060), (5055, 5656)]