311794440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{653}}^1$

素因数の和:863

約数の個数: 128

約数和(自身を含む): 983197440

約数和(自身を除く): 671403000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 173, 184, 230, 276, 345, 346, 460, 519, 552, 653, 690, 692, 865, 920, 1038, 1306, 1380, 1384, 1730, 1959, 2076, 2595, 2612, 2760, 3265, 3460, 3918, 3979, 4152, 5190, 5224, 6530, 6920, 7836, 7958, 9795, 10380, 11937, 13060, 15019, 15672, 15916, 19590, 19895, 20760, 23874, 26120, 30038, 31832, 39180, 39790, 45057, 47748, 59685, 60076, 75095, 78360, 79580, 90114, 95496, 112969, 119370, 120152, 150190, 159160, 180228, 225285, 225938, 238740, 300380, 338907, 360456, 450570, 451876, 477480, 564845, 600760, 677814, 901140, 903752, 1129690, 1355628, 1694535, 1802280, 2259380, 2598287, 2711256, 3389070, 4518760, 5196574, 6778140, 7794861, 10393148, 12991435, 13556280, 15589722, 20786296, 25982870, 31179444, 38974305, 51965740, 62358888, 77948610, 103931480, 155897220, 311794440]

約数ペア:

[(1, 311794440), (2, 155897220), (3, 103931480), (4, 77948610), (5, 62358888), (6, 51965740), (8, 38974305), (10, 31179444), (12, 25982870), (15, 20786296), (20, 15589722), (23, 13556280), (24, 12991435), (30, 10393148), (40, 7794861), (46, 6778140), (60, 5196574), (69, 4518760), (92, 3389070), (115, 2711256), (120, 2598287), (138, 2259380), (173, 1802280), (184, 1694535), (230, 1355628), (276, 1129690), (345, 903752), (346, 901140), (460, 677814), (519, 600760), (552, 564845), (653, 477480), (690, 451876), (692, 450570), (865, 360456), (920, 338907), (1038, 300380), (1306, 238740), (1380, 225938), (1384, 225285), (1730, 180228), (1959, 159160), (2076, 150190), (2595, 120152), (2612, 119370), (2760, 112969), (3265, 95496), (3460, 90114), (3918, 79580), (3979, 78360), (4152, 75095), (5190, 60076), (5224, 59685), (6530, 47748), (6920, 45057), (7836, 39790), (7958, 39180), (9795, 31832), (10380, 30038), (11937, 26120), (13060, 23874), (15019, 20760), (15672, 19895), (15916, 19590)]