90135040

素因数分解:

$2^9\times 5^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:417

約数の個数: 80

約数和(自身を含む): 218537352

約数和(自身を除く): 128402312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 257, 274, 320, 512, 514, 548, 640, 685, 1028, 1096, 1280, 1285, 1370, 2056, 2192, 2560, 2570, 2740, 4112, 4384, 5140, 5480, 8224, 8768, 10280, 10960, 16448, 17536, 20560, 21920, 32896, 35072, 35209, 41120, 43840, 65792, 70144, 70418, 82240, 87680, 131584, 140836, 164480, 175360, 176045, 281672, 328960, 350720, 352090, 563344, 657920, 704180, 1126688, 1408360, 2253376, 2816720, 4506752, 5633440, 9013504, 11266880, 18027008, 22533760, 45067520, 90135040]

約数ペア:

[(1, 90135040), (2, 45067520), (4, 22533760), (5, 18027008), (8, 11266880), (10, 9013504), (16, 5633440), (20, 4506752), (32, 2816720), (40, 2253376), (64, 1408360), (80, 1126688), (128, 704180), (137, 657920), (160, 563344), (256, 352090), (257, 350720), (274, 328960), (320, 281672), (512, 176045), (514, 175360), (548, 164480), (640, 140836), (685, 131584), (1028, 87680), (1096, 82240), (1280, 70418), (1285, 70144), (1370, 65792), (2056, 43840), (2192, 41120), (2560, 35209), (2570, 35072), (2740, 32896), (4112, 21920), (4384, 20560), (5140, 17536), (5480, 16448), (8224, 10960), (8768, 10280)]