8461880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 22256640

約数和(自身を除く): 13794760

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, 643, 658, 940, 1286, 1316, 1645, 1880, 2572, 2632, 3215, 3290, 4501, 5144, 6430, 6580, 9002, 12860, 13160, 18004, 22505, 25720, 30221, 36008, 45010, 60442, 90020, 120884, 151105, 180040, 211547, 241768, 302210, 423094, 604420, 846188, 1057735, 1208840, 1692376, 2115470, 4230940, 8461880]

約数ペア:

[(1, 8461880), (2, 4230940), (4, 2115470), (5, 1692376), (7, 1208840), (8, 1057735), (10, 846188), (14, 604420), (20, 423094), (28, 302210), (35, 241768), (40, 211547), (47, 180040), (56, 151105), (70, 120884), (94, 90020), (140, 60442), (188, 45010), (235, 36008), (280, 30221), (329, 25720), (376, 22505), (470, 18004), (643, 13160), (658, 12860), (940, 9002), (1286, 6580), (1316, 6430), (1645, 5144), (1880, 4501), (2572, 3290), (2632, 3215)]