68392520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5197}}^1$

素因数の和:5262

約数の個数: 64

約数和(自身を含む): 179642880

約数和(自身を除く): 111250360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 5197, 6580, 10394, 13160, 20788, 25985, 36379, 41576, 51970, 72758, 103940, 145516, 181895, 207880, 244259, 291032, 363790, 488518, 727580, 977036, 1221295, 1455160, 1709813, 1954072, 2442590, 3419626, 4885180, 6839252, 8549065, 9770360, 13678504, 17098130, 34196260, 68392520]

約数ペア:

[(1, 68392520), (2, 34196260), (4, 17098130), (5, 13678504), (7, 9770360), (8, 8549065), (10, 6839252), (14, 4885180), (20, 3419626), (28, 2442590), (35, 1954072), (40, 1709813), (47, 1455160), (56, 1221295), (70, 977036), (94, 727580), (140, 488518), (188, 363790), (235, 291032), (280, 244259), (329, 207880), (376, 181895), (470, 145516), (658, 103940), (940, 72758), (1316, 51970), (1645, 41576), (1880, 36379), (2632, 25985), (3290, 20788), (5197, 13160), (6580, 10394)]