80841880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6143}}^1$

素因数の和:6208

約数の個数: 64

約数和(自身を含む): 212336640

約数和(自身を除く): 131494760

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, 6143, 6580, 12286, 13160, 24572, 30715, 43001, 49144, 61430, 86002, 122860, 172004, 215005, 245720, 288721, 344008, 430010, 577442, 860020, 1154884, 1443605, 1720040, 2021047, 2309768, 2887210, 4042094, 5774420, 8084188, 10105235, 11548840, 16168376, 20210470, 40420940, 80841880]

約数ペア:

[(1, 80841880), (2, 40420940), (4, 20210470), (5, 16168376), (7, 11548840), (8, 10105235), (10, 8084188), (14, 5774420), (20, 4042094), (28, 2887210), (35, 2309768), (40, 2021047), (47, 1720040), (56, 1443605), (70, 1154884), (94, 860020), (140, 577442), (188, 430010), (235, 344008), (280, 288721), (329, 245720), (376, 215005), (470, 172004), (658, 122860), (940, 86002), (1316, 61430), (1645, 49144), (1880, 43001), (2632, 30715), (3290, 24572), (6143, 13160), (6580, 12286)]