79905720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 249480000

約数和(自身を除く): 169574280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 109, 120, 123, 149, 164, 205, 218, 246, 298, 327, 328, 410, 436, 447, 492, 545, 596, 615, 654, 745, 820, 872, 894, 984, 1090, 1192, 1230, 1308, 1490, 1635, 1640, 1788, 2180, 2235, 2460, 2616, 2980, 3270, 3576, 4360, 4469, 4470, 4920, 5960, 6109, 6540, 8938, 8940, 12218, 13080, 13407, 16241, 17876, 17880, 18327, 22345, 24436, 26814, 30545, 32482, 35752, 36654, 44690, 48723, 48872, 53628, 61090, 64964, 67035, 73308, 81205, 89380, 91635, 97446, 107256, 122180, 129928, 134070, 146616, 162410, 178760, 183270, 194892, 243615, 244360, 268140, 324820, 366540, 389784, 487230, 536280, 649640, 665881, 733080, 974460, 1331762, 1948920, 1997643, 2663524, 3329405, 3995286, 5327048, 6658810, 7990572, 9988215, 13317620, 15981144, 19976430, 26635240, 39952860, 79905720]

約数ペア:

[(1, 79905720), (2, 39952860), (3, 26635240), (4, 19976430), (5, 15981144), (6, 13317620), (8, 9988215), (10, 7990572), (12, 6658810), (15, 5327048), (20, 3995286), (24, 3329405), (30, 2663524), (40, 1997643), (41, 1948920), (60, 1331762), (82, 974460), (109, 733080), (120, 665881), (123, 649640), (149, 536280), (164, 487230), (205, 389784), (218, 366540), (246, 324820), (298, 268140), (327, 244360), (328, 243615), (410, 194892), (436, 183270), (447, 178760), (492, 162410), (545, 146616), (596, 134070), (615, 129928), (654, 122180), (745, 107256), (820, 97446), (872, 91635), (894, 89380), (984, 81205), (1090, 73308), (1192, 67035), (1230, 64964), (1308, 61090), (1490, 53628), (1635, 48872), (1640, 48723), (1788, 44690), (2180, 36654), (2235, 35752), (2460, 32482), (2616, 30545), (2980, 26814), (3270, 24436), (3576, 22345), (4360, 18327), (4469, 17880), (4470, 17876), (4920, 16241), (5960, 13407), (6109, 13080), (6540, 12218), (8938, 8940)]