68388760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3307}}^1$

素因数の和:3376

約数の個数: 64

約数和(自身を含む): 171486720

約数和(自身を除く): 103097960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 3307, 4136, 5170, 6614, 10340, 13228, 16535, 20680, 26456, 33070, 36377, 66140, 72754, 132280, 145508, 155429, 181885, 291016, 310858, 363770, 621716, 727540, 777145, 1243432, 1455080, 1554290, 1709719, 3108580, 3419438, 6217160, 6838876, 8548595, 13677752, 17097190, 34194380, 68388760]

約数ペア:

[(1, 68388760), (2, 34194380), (4, 17097190), (5, 13677752), (8, 8548595), (10, 6838876), (11, 6217160), (20, 3419438), (22, 3108580), (40, 1709719), (44, 1554290), (47, 1455080), (55, 1243432), (88, 777145), (94, 727540), (110, 621716), (188, 363770), (220, 310858), (235, 291016), (376, 181885), (440, 155429), (470, 145508), (517, 132280), (940, 72754), (1034, 66140), (1880, 36377), (2068, 33070), (2585, 26456), (3307, 20680), (4136, 16535), (5170, 13228), (6614, 10340)]