4084020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{2521}}^1$

素因数の和:2542

約数の個数: 60

約数和(自身を含む): 12816804

約数和(自身を除く): 8732784

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 2521, 5042, 7563, 10084, 12605, 15126, 22689, 25210, 30252, 37815, 45378, 50420, 68067, 75630, 90756, 113445, 136134, 151260, 204201, 226890, 272268, 340335, 408402, 453780, 680670, 816804, 1021005, 1361340, 2042010, 4084020]

約数ペア:

[(1, 4084020), (2, 2042010), (3, 1361340), (4, 1021005), (5, 816804), (6, 680670), (9, 453780), (10, 408402), (12, 340335), (15, 272268), (18, 226890), (20, 204201), (27, 151260), (30, 136134), (36, 113445), (45, 90756), (54, 75630), (60, 68067), (81, 50420), (90, 45378), (108, 37815), (135, 30252), (162, 25210), (180, 22689), (270, 15126), (324, 12605), (405, 10084), (540, 7563), (810, 5042), (1620, 2521)]