156968120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{857}}^1$

素因数の和:1128

約数の個数: 64

約数和(自身を含む): 373744800

約数和(自身を除く): 216776680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 241, 380, 482, 760, 857, 964, 1205, 1714, 1928, 2410, 3428, 4285, 4579, 4820, 6856, 8570, 9158, 9640, 16283, 17140, 18316, 22895, 32566, 34280, 36632, 45790, 65132, 81415, 91580, 130264, 162830, 183160, 206537, 325660, 413074, 651320, 826148, 1032685, 1652296, 2065370, 3924203, 4130740, 7848406, 8261480, 15696812, 19621015, 31393624, 39242030, 78484060, 156968120]

約数ペア:

[(1, 156968120), (2, 78484060), (4, 39242030), (5, 31393624), (8, 19621015), (10, 15696812), (19, 8261480), (20, 7848406), (38, 4130740), (40, 3924203), (76, 2065370), (95, 1652296), (152, 1032685), (190, 826148), (241, 651320), (380, 413074), (482, 325660), (760, 206537), (857, 183160), (964, 162830), (1205, 130264), (1714, 91580), (1928, 81415), (2410, 65132), (3428, 45790), (4285, 36632), (4579, 34280), (4820, 32566), (6856, 22895), (8570, 18316), (9158, 17140), (9640, 16283)]