87790020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:461

約数の個数: 96

約数和(自身を含む): 254693376

約数和(自身を除く): 166903356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 127, 164, 205, 246, 254, 281, 381, 410, 492, 508, 562, 615, 635, 762, 820, 843, 1124, 1230, 1270, 1405, 1524, 1686, 1905, 2460, 2540, 2810, 3372, 3810, 4215, 5207, 5620, 7620, 8430, 10414, 11521, 15621, 16860, 20828, 23042, 26035, 31242, 34563, 35687, 46084, 52070, 57605, 62484, 69126, 71374, 78105, 104140, 107061, 115210, 138252, 142748, 156210, 172815, 178435, 214122, 230420, 312420, 345630, 356870, 428244, 535305, 691260, 713740, 1070610, 1463167, 2141220, 2926334, 4389501, 5852668, 7315835, 8779002, 14631670, 17558004, 21947505, 29263340, 43895010, 87790020]

約数ペア:

[(1, 87790020), (2, 43895010), (3, 29263340), (4, 21947505), (5, 17558004), (6, 14631670), (10, 8779002), (12, 7315835), (15, 5852668), (20, 4389501), (30, 2926334), (41, 2141220), (60, 1463167), (82, 1070610), (123, 713740), (127, 691260), (164, 535305), (205, 428244), (246, 356870), (254, 345630), (281, 312420), (381, 230420), (410, 214122), (492, 178435), (508, 172815), (562, 156210), (615, 142748), (635, 138252), (762, 115210), (820, 107061), (843, 104140), (1124, 78105), (1230, 71374), (1270, 69126), (1405, 62484), (1524, 57605), (1686, 52070), (1905, 46084), (2460, 35687), (2540, 34563), (2810, 31242), (3372, 26035), (3810, 23042), (4215, 20828), (5207, 16860), (5620, 15621), (7620, 11521), (8430, 10414)]