7891740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2579}}^1$

素因数の和:2611

約数の個数: 72

約数和(自身を含む): 25356240

約数和(自身を除く): 17464500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 2579, 3060, 5158, 7737, 10316, 12895, 15474, 23211, 25790, 30948, 38685, 43843, 46422, 51580, 77370, 87686, 92844, 116055, 131529, 154740, 175372, 219215, 232110, 263058, 394587, 438430, 464220, 526116, 657645, 789174, 876860, 1315290, 1578348, 1972935, 2630580, 3945870, 7891740]

約数ペア:

[(1, 7891740), (2, 3945870), (3, 2630580), (4, 1972935), (5, 1578348), (6, 1315290), (9, 876860), (10, 789174), (12, 657645), (15, 526116), (17, 464220), (18, 438430), (20, 394587), (30, 263058), (34, 232110), (36, 219215), (45, 175372), (51, 154740), (60, 131529), (68, 116055), (85, 92844), (90, 87686), (102, 77370), (153, 51580), (170, 46422), (180, 43843), (204, 38685), (255, 30948), (306, 25790), (340, 23211), (510, 15474), (612, 12895), (765, 10316), (1020, 7737), (1530, 5158), (2579, 3060)]