205995480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 639576000

約数和(自身を除く): 433580520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 149, 164, 205, 246, 281, 298, 328, 410, 447, 492, 562, 596, 615, 745, 820, 843, 894, 984, 1124, 1192, 1230, 1405, 1490, 1640, 1686, 1788, 2235, 2248, 2460, 2810, 2980, 3372, 3576, 4215, 4470, 4920, 5620, 5960, 6109, 6744, 8430, 8940, 11240, 11521, 12218, 16860, 17880, 18327, 23042, 24436, 30545, 33720, 34563, 36654, 41869, 46084, 48872, 57605, 61090, 69126, 73308, 83738, 91635, 92168, 115210, 122180, 125607, 138252, 146616, 167476, 172815, 183270, 209345, 230420, 244360, 251214, 276504, 334952, 345630, 366540, 418690, 460840, 502428, 628035, 691260, 733080, 837380, 1004856, 1256070, 1382520, 1674760, 1716629, 2512140, 3433258, 5024280, 5149887, 6866516, 8583145, 10299774, 13733032, 17166290, 20599548, 25749435, 34332580, 41199096, 51498870, 68665160, 102997740, 205995480]

約数ペア:

[(1, 205995480), (2, 102997740), (3, 68665160), (4, 51498870), (5, 41199096), (6, 34332580), (8, 25749435), (10, 20599548), (12, 17166290), (15, 13733032), (20, 10299774), (24, 8583145), (30, 6866516), (40, 5149887), (41, 5024280), (60, 3433258), (82, 2512140), (120, 1716629), (123, 1674760), (149, 1382520), (164, 1256070), (205, 1004856), (246, 837380), (281, 733080), (298, 691260), (328, 628035), (410, 502428), (447, 460840), (492, 418690), (562, 366540), (596, 345630), (615, 334952), (745, 276504), (820, 251214), (843, 244360), (894, 230420), (984, 209345), (1124, 183270), (1192, 172815), (1230, 167476), (1405, 146616), (1490, 138252), (1640, 125607), (1686, 122180), (1788, 115210), (2235, 92168), (2248, 91635), (2460, 83738), (2810, 73308), (2980, 69126), (3372, 61090), (3576, 57605), (4215, 48872), (4470, 46084), (4920, 41869), (5620, 36654), (5960, 34563), (6109, 33720), (6744, 30545), (8430, 24436), (8940, 23042), (11240, 18327), (11521, 17880), (12218, 16860)]