68247760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2593}}^1$

素因数の和:2660

約数の個数: 80

約数和(自身を含む): 185273856

約数和(自身を除く): 117026096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2593, 2632, 3290, 3760, 5186, 5264, 6580, 10372, 12965, 13160, 18151, 20744, 25930, 26320, 36302, 41488, 51860, 72604, 90755, 103720, 121871, 145208, 181510, 207440, 243742, 290416, 363020, 487484, 609355, 726040, 853097, 974968, 1218710, 1452080, 1706194, 1949936, 2437420, 3412388, 4265485, 4874840, 6824776, 8530970, 9749680, 13649552, 17061940, 34123880, 68247760]

約数ペア:

[(1, 68247760), (2, 34123880), (4, 17061940), (5, 13649552), (7, 9749680), (8, 8530970), (10, 6824776), (14, 4874840), (16, 4265485), (20, 3412388), (28, 2437420), (35, 1949936), (40, 1706194), (47, 1452080), (56, 1218710), (70, 974968), (80, 853097), (94, 726040), (112, 609355), (140, 487484), (188, 363020), (235, 290416), (280, 243742), (329, 207440), (376, 181510), (470, 145208), (560, 121871), (658, 103720), (752, 90755), (940, 72604), (1316, 51860), (1645, 41488), (1880, 36302), (2593, 26320), (2632, 25930), (3290, 20744), (3760, 18151), (5186, 13160), (5264, 12965), (6580, 10372)]