2493540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1979}}^1$

素因数の和:2001

約数の個数: 72

約数和(自身を含む): 8648640

約数和(自身を除く): 6155100

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, 1979, 3958, 5937, 7916, 9895, 11874, 13853, 17811, 19790, 23748, 27706, 29685, 35622, 39580, 41559, 55412, 59370, 69265, 71244, 83118, 89055, 118740, 124677, 138530, 166236, 178110, 207795, 249354, 277060, 356220, 415590, 498708, 623385, 831180, 1246770, 2493540]

約数ペア:

[(1, 2493540), (2, 1246770), (3, 831180), (4, 623385), (5, 498708), (6, 415590), (7, 356220), (9, 277060), (10, 249354), (12, 207795), (14, 178110), (15, 166236), (18, 138530), (20, 124677), (21, 118740), (28, 89055), (30, 83118), (35, 71244), (36, 69265), (42, 59370), (45, 55412), (60, 41559), (63, 39580), (70, 35622), (84, 29685), (90, 27706), (105, 23748), (126, 19790), (140, 17811), (180, 13853), (210, 11874), (252, 9895), (315, 7916), (420, 5937), (630, 3958), (1260, 1979)]