28653660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22741}}^1$

素因数の和:22763

約数の個数: 72

約数和(自身を含む): 99337056

約数和(自身を除く): 70683396

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, 22741, 45482, 68223, 90964, 113705, 136446, 159187, 204669, 227410, 272892, 318374, 341115, 409338, 454820, 477561, 636748, 682230, 795935, 818676, 955122, 1023345, 1364460, 1432683, 1591870, 1910244, 2046690, 2387805, 2865366, 3183740, 4093380, 4775610, 5730732, 7163415, 9551220, 14326830, 28653660]

約数ペア:

[(1, 28653660), (2, 14326830), (3, 9551220), (4, 7163415), (5, 5730732), (6, 4775610), (7, 4093380), (9, 3183740), (10, 2865366), (12, 2387805), (14, 2046690), (15, 1910244), (18, 1591870), (20, 1432683), (21, 1364460), (28, 1023345), (30, 955122), (35, 818676), (36, 795935), (42, 682230), (45, 636748), (60, 477561), (63, 454820), (70, 409338), (84, 341115), (90, 318374), (105, 272892), (126, 227410), (140, 204669), (180, 159187), (210, 136446), (252, 113705), (315, 90964), (420, 68223), (630, 45482), (1260, 22741)]