28951740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3923}}^1$

素因数の和:3979

約数の個数: 72

約数和(自身を含む): 89985168

約数和(自身を除く): 61033428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 3923, 7380, 7846, 11769, 15692, 19615, 23538, 35307, 39230, 47076, 58845, 70614, 78460, 117690, 141228, 160843, 176535, 235380, 321686, 353070, 482529, 643372, 706140, 804215, 965058, 1447587, 1608430, 1930116, 2412645, 2895174, 3216860, 4825290, 5790348, 7237935, 9650580, 14475870, 28951740]

約数ペア:

[(1, 28951740), (2, 14475870), (3, 9650580), (4, 7237935), (5, 5790348), (6, 4825290), (9, 3216860), (10, 2895174), (12, 2412645), (15, 1930116), (18, 1608430), (20, 1447587), (30, 965058), (36, 804215), (41, 706140), (45, 643372), (60, 482529), (82, 353070), (90, 321686), (123, 235380), (164, 176535), (180, 160843), (205, 141228), (246, 117690), (369, 78460), (410, 70614), (492, 58845), (615, 47076), (738, 39230), (820, 35307), (1230, 23538), (1476, 19615), (1845, 15692), (2460, 11769), (3690, 7846), (3923, 7380)]