74430880

素因数分解:

$2^5\times 5^1\times {\mathrm{647}}^1\times {\mathrm{719}}^1$

素因数の和:1381

約数の個数: 48

約数和(自身を含む): 176359680

約数和(自身を除く): 101928800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 647, 719, 1294, 1438, 2588, 2876, 3235, 3595, 5176, 5752, 6470, 7190, 10352, 11504, 12940, 14380, 20704, 23008, 25880, 28760, 51760, 57520, 103520, 115040, 465193, 930386, 1860772, 2325965, 3721544, 4651930, 7443088, 9303860, 14886176, 18607720, 37215440, 74430880]

約数ペア:

[(1, 74430880), (2, 37215440), (4, 18607720), (5, 14886176), (8, 9303860), (10, 7443088), (16, 4651930), (20, 3721544), (32, 2325965), (40, 1860772), (80, 930386), (160, 465193), (647, 115040), (719, 103520), (1294, 57520), (1438, 51760), (2588, 28760), (2876, 25880), (3235, 23008), (3595, 20704), (5176, 14380), (5752, 12940), (6470, 11504), (7190, 10352)]