7281540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{5779}}^1$

素因数の和:5801

約数の個数: 72

約数和(自身を含む): 25247040

約数和(自身を除く): 17965500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 5779, 11558, 17337, 23116, 28895, 34674, 40453, 52011, 57790, 69348, 80906, 86685, 104022, 115580, 121359, 161812, 173370, 202265, 208044, 242718, 260055, 346740, 364077, 404530, 485436, 520110, 606795, 728154, 809060, 1040220, 1213590, 1456308, 1820385, 2427180, 3640770, 7281540]

約数ペア:

[(1, 7281540), (2, 3640770), (3, 2427180), (4, 1820385), (5, 1456308), (6, 1213590), (7, 1040220), (9, 809060), (10, 728154), (12, 606795), (14, 520110), (15, 485436), (18, 404530), (20, 364077), (21, 346740), (28, 260055), (30, 242718), (35, 208044), (36, 202265), (42, 173370), (45, 161812), (60, 121359), (63, 115580), (70, 104022), (84, 86685), (90, 80906), (105, 69348), (126, 57790), (140, 52011), (180, 40453), (210, 34674), (252, 28895), (315, 23116), (420, 17337), (630, 11558), (1260, 5779)]