78730120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{887}}^1$

素因数の和:1222

約数の個数: 64

約数和(自身を含む): 203316480

約数和(自身を除く): 124586360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 317, 634, 887, 1268, 1585, 1774, 2219, 2536, 3170, 3548, 4435, 4438, 6209, 6340, 7096, 8870, 8876, 11095, 12418, 12680, 17740, 17752, 22190, 24836, 31045, 35480, 44380, 49672, 62090, 88760, 124180, 248360, 281179, 562358, 1124716, 1405895, 1968253, 2249432, 2811790, 3936506, 5623580, 7873012, 9841265, 11247160, 15746024, 19682530, 39365060, 78730120]

約数ペア:

[(1, 78730120), (2, 39365060), (4, 19682530), (5, 15746024), (7, 11247160), (8, 9841265), (10, 7873012), (14, 5623580), (20, 3936506), (28, 2811790), (35, 2249432), (40, 1968253), (56, 1405895), (70, 1124716), (140, 562358), (280, 281179), (317, 248360), (634, 124180), (887, 88760), (1268, 62090), (1585, 49672), (1774, 44380), (2219, 35480), (2536, 31045), (3170, 24836), (3548, 22190), (4435, 17752), (4438, 17740), (6209, 12680), (6340, 12418), (7096, 11095), (8870, 8876)]