28676880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39829}}^1$

素因数の和:39848

約数の個数: 60

約数和(自身を含む): 96308940

約数和(自身を除く): 67632060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 39829, 79658, 119487, 159316, 199145, 238974, 318632, 358461, 398290, 477948, 597435, 637264, 716922, 796580, 955896, 1194870, 1433844, 1593160, 1792305, 1911792, 2389740, 2867688, 3186320, 3584610, 4779480, 5735376, 7169220, 9558960, 14338440, 28676880]

約数ペア:

[(1, 28676880), (2, 14338440), (3, 9558960), (4, 7169220), (5, 5735376), (6, 4779480), (8, 3584610), (9, 3186320), (10, 2867688), (12, 2389740), (15, 1911792), (16, 1792305), (18, 1593160), (20, 1433844), (24, 1194870), (30, 955896), (36, 796580), (40, 716922), (45, 637264), (48, 597435), (60, 477948), (72, 398290), (80, 358461), (90, 318632), (120, 238974), (144, 199145), (180, 159316), (240, 119487), (360, 79658), (720, 39829)]