68822080

素因数分解:

$2^6\times 5^1\times {\mathrm{431}}^1\times {\mathrm{499}}^1$

素因数の和:947

約数の個数: 56

約数和(自身を含む): 164592000

約数和(自身を除く): 95769920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 431, 499, 862, 998, 1724, 1996, 2155, 2495, 3448, 3992, 4310, 4990, 6896, 7984, 8620, 9980, 13792, 15968, 17240, 19960, 27584, 31936, 34480, 39920, 68960, 79840, 137920, 159680, 215069, 430138, 860276, 1075345, 1720552, 2150690, 3441104, 4301380, 6882208, 8602760, 13764416, 17205520, 34411040, 68822080]

約数ペア:

[(1, 68822080), (2, 34411040), (4, 17205520), (5, 13764416), (8, 8602760), (10, 6882208), (16, 4301380), (20, 3441104), (32, 2150690), (40, 1720552), (64, 1075345), (80, 860276), (160, 430138), (320, 215069), (431, 159680), (499, 137920), (862, 79840), (998, 68960), (1724, 39920), (1996, 34480), (2155, 31936), (2495, 27584), (3448, 19960), (3992, 17240), (4310, 15968), (4990, 13792), (6896, 9980), (7984, 8620)]