120728320

素因数分解:

$2^8\times 5^1\times {\mathrm{257}}^1\times {\mathrm{367}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 291098304

約数和(自身を除く): 170369984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 257, 320, 367, 514, 640, 734, 1028, 1280, 1285, 1468, 1835, 2056, 2570, 2936, 3670, 4112, 5140, 5872, 7340, 8224, 10280, 11744, 14680, 16448, 20560, 23488, 29360, 32896, 41120, 46976, 58720, 65792, 82240, 93952, 94319, 117440, 164480, 188638, 234880, 328960, 377276, 469760, 471595, 754552, 943190, 1509104, 1886380, 3018208, 3772760, 6036416, 7545520, 12072832, 15091040, 24145664, 30182080, 60364160, 120728320]

約数ペア:

[(1, 120728320), (2, 60364160), (4, 30182080), (5, 24145664), (8, 15091040), (10, 12072832), (16, 7545520), (20, 6036416), (32, 3772760), (40, 3018208), (64, 1886380), (80, 1509104), (128, 943190), (160, 754552), (256, 471595), (257, 469760), (320, 377276), (367, 328960), (514, 234880), (640, 188638), (734, 164480), (1028, 117440), (1280, 94319), (1285, 93952), (1468, 82240), (1835, 65792), (2056, 58720), (2570, 46976), (2936, 41120), (3670, 32896), (4112, 29360), (5140, 23488), (5872, 20560), (7340, 16448), (8224, 14680), (10280, 11744)]