312170670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1095

約数の個数: 144

約数和(自身を含む): 958415328

約数和(自身を除く): 646244658

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 71, 90, 98, 105, 126, 142, 147, 210, 213, 245, 294, 315, 355, 426, 441, 490, 497, 630, 639, 710, 735, 882, 994, 997, 1065, 1278, 1470, 1491, 1994, 2130, 2205, 2485, 2982, 2991, 3195, 3479, 4410, 4473, 4970, 4985, 5982, 6390, 6958, 6979, 7455, 8946, 8973, 9970, 10437, 13958, 14910, 14955, 17395, 17946, 20874, 20937, 22365, 29910, 31311, 34790, 34895, 41874, 44730, 44865, 48853, 52185, 62622, 62811, 69790, 70787, 89730, 97706, 104370, 104685, 125622, 141574, 146559, 156555, 209370, 212361, 244265, 293118, 313110, 314055, 353935, 424722, 439677, 488530, 495509, 628110, 637083, 707870, 732795, 879354, 991018, 1061805, 1274166, 1465590, 1486527, 2123610, 2198385, 2477545, 2973054, 3185415, 3468563, 4396770, 4459581, 4955090, 6370830, 6937126, 7432635, 8919162, 10405689, 14865270, 17342815, 20811378, 22297905, 31217067, 34685630, 44595810, 52028445, 62434134, 104056890, 156085335, 312170670]

約数ペア:

[(1, 312170670), (2, 156085335), (3, 104056890), (5, 62434134), (6, 52028445), (7, 44595810), (9, 34685630), (10, 31217067), (14, 22297905), (15, 20811378), (18, 17342815), (21, 14865270), (30, 10405689), (35, 8919162), (42, 7432635), (45, 6937126), (49, 6370830), (63, 4955090), (70, 4459581), (71, 4396770), (90, 3468563), (98, 3185415), (105, 2973054), (126, 2477545), (142, 2198385), (147, 2123610), (210, 1486527), (213, 1465590), (245, 1274166), (294, 1061805), (315, 991018), (355, 879354), (426, 732795), (441, 707870), (490, 637083), (497, 628110), (630, 495509), (639, 488530), (710, 439677), (735, 424722), (882, 353935), (994, 314055), (997, 313110), (1065, 293118), (1278, 244265), (1470, 212361), (1491, 209370), (1994, 156555), (2130, 146559), (2205, 141574), (2485, 125622), (2982, 104685), (2991, 104370), (3195, 97706), (3479, 89730), (4410, 70787), (4473, 69790), (4970, 62811), (4985, 62622), (5982, 52185), (6390, 48853), (6958, 44865), (6979, 44730), (7455, 41874), (8946, 34895), (8973, 34790), (9970, 31311), (10437, 29910), (13958, 22365), (14910, 20937), (14955, 20874), (17395, 17946)]