217804140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4337}}^1$

素因数の和:4389

約数の個数: 120

約数和(自身を含む): 705462912

約数和(自身を除く): 487658772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1620, 1674, 1860, 2511, 2790, 3348, 4185, 4337, 5022, 5580, 8370, 8674, 10044, 12555, 13011, 16740, 17348, 21685, 25110, 26022, 39033, 43370, 50220, 52044, 65055, 78066, 86740, 117099, 130110, 134447, 156132, 195165, 234198, 260220, 268894, 351297, 390330, 403341, 468396, 537788, 585495, 672235, 702594, 780660, 806682, 1170990, 1210023, 1344470, 1405188, 1613364, 1756485, 2016705, 2341980, 2420046, 2688940, 3512970, 3630069, 4033410, 4840092, 6050115, 7025940, 7260138, 8066820, 10890207, 12100230, 14520276, 18150345, 21780414, 24200460, 36300690, 43560828, 54451035, 72601380, 108902070, 217804140]

約数ペア:

[(1, 217804140), (2, 108902070), (3, 72601380), (4, 54451035), (5, 43560828), (6, 36300690), (9, 24200460), (10, 21780414), (12, 18150345), (15, 14520276), (18, 12100230), (20, 10890207), (27, 8066820), (30, 7260138), (31, 7025940), (36, 6050115), (45, 4840092), (54, 4033410), (60, 3630069), (62, 3512970), (81, 2688940), (90, 2420046), (93, 2341980), (108, 2016705), (124, 1756485), (135, 1613364), (155, 1405188), (162, 1344470), (180, 1210023), (186, 1170990), (270, 806682), (279, 780660), (310, 702594), (324, 672235), (372, 585495), (405, 537788), (465, 468396), (540, 403341), (558, 390330), (620, 351297), (810, 268894), (837, 260220), (930, 234198), (1116, 195165), (1395, 156132), (1620, 134447), (1674, 130110), (1860, 117099), (2511, 86740), (2790, 78066), (3348, 65055), (4185, 52044), (4337, 50220), (5022, 43370), (5580, 39033), (8370, 26022), (8674, 25110), (10044, 21685), (12555, 17348), (13011, 16740)]