75991480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 177085440

約数和(自身を除く): 101093960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 83, 94, 166, 188, 235, 332, 376, 415, 470, 487, 664, 830, 940, 974, 1660, 1880, 1948, 2435, 3320, 3896, 3901, 4870, 7802, 9740, 15604, 19480, 19505, 22889, 31208, 39010, 40421, 45778, 78020, 80842, 91556, 114445, 156040, 161684, 183112, 202105, 228890, 323368, 404210, 457780, 808420, 915560, 1616840, 1899787, 3799574, 7599148, 9498935, 15198296, 18997870, 37995740, 75991480]

約数ペア:

[(1, 75991480), (2, 37995740), (4, 18997870), (5, 15198296), (8, 9498935), (10, 7599148), (20, 3799574), (40, 1899787), (47, 1616840), (83, 915560), (94, 808420), (166, 457780), (188, 404210), (235, 323368), (332, 228890), (376, 202105), (415, 183112), (470, 161684), (487, 156040), (664, 114445), (830, 91556), (940, 80842), (974, 78020), (1660, 45778), (1880, 40421), (1948, 39010), (2435, 31208), (3320, 22889), (3896, 19505), (3901, 19480), (4870, 15604), (7802, 9740)]