77885760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{81131}}^1$

素因数の和:81151

約数の個数: 56

約数和(自身を含む): 247290336

約数和(自身を除く): 169404576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 81131, 162262, 243393, 324524, 405655, 486786, 649048, 811310, 973572, 1216965, 1298096, 1622620, 1947144, 2433930, 2596192, 3245240, 3894288, 4867860, 5192384, 6490480, 7788576, 9735720, 12980960, 15577152, 19471440, 25961920, 38942880, 77885760]

約数ペア:

[(1, 77885760), (2, 38942880), (3, 25961920), (4, 19471440), (5, 15577152), (6, 12980960), (8, 9735720), (10, 7788576), (12, 6490480), (15, 5192384), (16, 4867860), (20, 3894288), (24, 3245240), (30, 2596192), (32, 2433930), (40, 1947144), (48, 1622620), (60, 1298096), (64, 1216965), (80, 973572), (96, 811310), (120, 649048), (160, 486786), (192, 405655), (240, 324524), (320, 243393), (480, 162262), (960, 81131)]