28717080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2011}}^1$

素因数の和:2049

約数の個数: 128

約数和(自身を含む): 104302080

約数和(自身を除く): 75585000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2011, 2040, 2380, 2856, 3570, 4022, 4760, 6033, 7140, 8044, 10055, 12066, 14077, 14280, 16088, 20110, 24132, 28154, 30165, 34187, 40220, 42231, 48264, 56308, 60330, 68374, 70385, 80440, 84462, 102561, 112616, 120660, 136748, 140770, 168924, 170935, 205122, 211155, 239309, 241320, 273496, 281540, 337848, 341870, 410244, 422310, 478618, 512805, 563080, 683740, 717927, 820488, 844620, 957236, 1025610, 1196545, 1367480, 1435854, 1689240, 1914472, 2051220, 2393090, 2871708, 3589635, 4102440, 4786180, 5743416, 7179270, 9572360, 14358540, 28717080]

約数ペア:

[(1, 28717080), (2, 14358540), (3, 9572360), (4, 7179270), (5, 5743416), (6, 4786180), (7, 4102440), (8, 3589635), (10, 2871708), (12, 2393090), (14, 2051220), (15, 1914472), (17, 1689240), (20, 1435854), (21, 1367480), (24, 1196545), (28, 1025610), (30, 957236), (34, 844620), (35, 820488), (40, 717927), (42, 683740), (51, 563080), (56, 512805), (60, 478618), (68, 422310), (70, 410244), (84, 341870), (85, 337848), (102, 281540), (105, 273496), (119, 241320), (120, 239309), (136, 211155), (140, 205122), (168, 170935), (170, 168924), (204, 140770), (210, 136748), (238, 120660), (255, 112616), (280, 102561), (340, 84462), (357, 80440), (408, 70385), (420, 68374), (476, 60330), (510, 56308), (595, 48264), (680, 42231), (714, 40220), (840, 34187), (952, 30165), (1020, 28154), (1190, 24132), (1428, 20110), (1785, 16088), (2011, 14280), (2040, 14077), (2380, 12066), (2856, 10055), (3570, 8044), (4022, 7140), (4760, 6033)]