7218540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 26574912

約数和(自身を除く): 19356372

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 337, 340, 357, 420, 476, 510, 595, 612, 630, 674, 714, 765, 1011, 1020, 1071, 1190, 1260, 1348, 1428, 1530, 1685, 1785, 2022, 2142, 2359, 2380, 3033, 3060, 3370, 3570, 4044, 4284, 4718, 5055, 5355, 5729, 6066, 6740, 7077, 7140, 9436, 10110, 10710, 11458, 11795, 12132, 14154, 15165, 17187, 20220, 21231, 21420, 22916, 23590, 28308, 28645, 30330, 34374, 35385, 40103, 42462, 47180, 51561, 57290, 60660, 68748, 70770, 80206, 84924, 85935, 103122, 106155, 114580, 120309, 141540, 160412, 171870, 200515, 206244, 212310, 240618, 257805, 343740, 360927, 401030, 424620, 481236, 515610, 601545, 721854, 802060, 1031220, 1203090, 1443708, 1804635, 2406180, 3609270, 7218540]

約数ペア:

[(1, 7218540), (2, 3609270), (3, 2406180), (4, 1804635), (5, 1443708), (6, 1203090), (7, 1031220), (9, 802060), (10, 721854), (12, 601545), (14, 515610), (15, 481236), (17, 424620), (18, 401030), (20, 360927), (21, 343740), (28, 257805), (30, 240618), (34, 212310), (35, 206244), (36, 200515), (42, 171870), (45, 160412), (51, 141540), (60, 120309), (63, 114580), (68, 106155), (70, 103122), (84, 85935), (85, 84924), (90, 80206), (102, 70770), (105, 68748), (119, 60660), (126, 57290), (140, 51561), (153, 47180), (170, 42462), (180, 40103), (204, 35385), (210, 34374), (238, 30330), (252, 28645), (255, 28308), (306, 23590), (315, 22916), (337, 21420), (340, 21231), (357, 20220), (420, 17187), (476, 15165), (510, 14154), (595, 12132), (612, 11795), (630, 11458), (674, 10710), (714, 10110), (765, 9436), (1011, 7140), (1020, 7077), (1071, 6740), (1190, 6066), (1260, 5729), (1348, 5355), (1428, 5055), (1530, 4718), (1685, 4284), (1785, 4044), (2022, 3570), (2142, 3370), (2359, 3060), (2380, 3033)]