85131760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{541}}^1$

素因数の和:842

約数の個数: 80

約数和(自身を含む): 227431872

約数和(自身を除く): 142300112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 541, 560, 562, 1082, 1124, 1405, 1967, 2164, 2248, 2705, 2810, 3787, 3934, 4328, 4496, 5410, 5620, 7574, 7868, 8656, 9835, 10820, 11240, 15148, 15736, 18935, 19670, 21640, 22480, 30296, 31472, 37870, 39340, 43280, 60592, 75740, 78680, 151480, 152021, 157360, 302960, 304042, 608084, 760105, 1064147, 1216168, 1520210, 2128294, 2432336, 3040420, 4256588, 5320735, 6080840, 8513176, 10641470, 12161680, 17026352, 21282940, 42565880, 85131760]

約数ペア:

[(1, 85131760), (2, 42565880), (4, 21282940), (5, 17026352), (7, 12161680), (8, 10641470), (10, 8513176), (14, 6080840), (16, 5320735), (20, 4256588), (28, 3040420), (35, 2432336), (40, 2128294), (56, 1520210), (70, 1216168), (80, 1064147), (112, 760105), (140, 608084), (280, 304042), (281, 302960), (541, 157360), (560, 152021), (562, 151480), (1082, 78680), (1124, 75740), (1405, 60592), (1967, 43280), (2164, 39340), (2248, 37870), (2705, 31472), (2810, 30296), (3787, 22480), (3934, 21640), (4328, 19670), (4496, 18935), (5410, 15736), (5620, 15148), (7574, 11240), (7868, 10820), (8656, 9835)]