257563620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{593}}^1$

素因数の和:754

約数の個数: 144

約数和(自身を含む): 830269440

約数和(自身を除く): 572705820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 127, 171, 180, 190, 228, 254, 285, 342, 380, 381, 508, 570, 593, 635, 684, 762, 855, 1140, 1143, 1186, 1270, 1524, 1710, 1779, 1905, 2286, 2372, 2413, 2540, 2965, 3420, 3558, 3810, 4572, 4826, 5337, 5715, 5930, 7116, 7239, 7620, 8895, 9652, 10674, 11267, 11430, 11860, 12065, 14478, 17790, 21348, 21717, 22534, 22860, 24130, 26685, 28956, 33801, 35580, 36195, 43434, 45068, 48260, 53370, 56335, 67602, 72390, 75311, 86868, 101403, 106740, 108585, 112670, 135204, 144780, 150622, 169005, 202806, 217170, 225340, 225933, 301244, 338010, 376555, 405612, 434340, 451866, 507015, 676020, 677799, 753110, 903732, 1014030, 1129665, 1355598, 1430909, 1506220, 2028060, 2259330, 2711196, 2861818, 3388995, 4292727, 4518660, 5723636, 6777990, 7154545, 8585454, 12878181, 13555980, 14309090, 17170908, 21463635, 25756362, 28618180, 42927270, 51512724, 64390905, 85854540, 128781810, 257563620]

約数ペア:

[(1, 257563620), (2, 128781810), (3, 85854540), (4, 64390905), (5, 51512724), (6, 42927270), (9, 28618180), (10, 25756362), (12, 21463635), (15, 17170908), (18, 14309090), (19, 13555980), (20, 12878181), (30, 8585454), (36, 7154545), (38, 6777990), (45, 5723636), (57, 4518660), (60, 4292727), (76, 3388995), (90, 2861818), (95, 2711196), (114, 2259330), (127, 2028060), (171, 1506220), (180, 1430909), (190, 1355598), (228, 1129665), (254, 1014030), (285, 903732), (342, 753110), (380, 677799), (381, 676020), (508, 507015), (570, 451866), (593, 434340), (635, 405612), (684, 376555), (762, 338010), (855, 301244), (1140, 225933), (1143, 225340), (1186, 217170), (1270, 202806), (1524, 169005), (1710, 150622), (1779, 144780), (1905, 135204), (2286, 112670), (2372, 108585), (2413, 106740), (2540, 101403), (2965, 86868), (3420, 75311), (3558, 72390), (3810, 67602), (4572, 56335), (4826, 53370), (5337, 48260), (5715, 45068), (5930, 43434), (7116, 36195), (7239, 35580), (7620, 33801), (8895, 28956), (9652, 26685), (10674, 24130), (11267, 22860), (11430, 22534), (11860, 21717), (12065, 21348), (14478, 17790)]