128125728

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:287

約数の個数: 144

約数和(自身を含む): 382427136

約数和(自身を除く): 254301408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 113, 124, 127, 144, 186, 226, 248, 254, 279, 288, 339, 372, 381, 452, 496, 508, 558, 678, 744, 762, 904, 992, 1016, 1017, 1116, 1143, 1356, 1488, 1524, 1808, 2032, 2034, 2232, 2286, 2712, 2976, 3048, 3503, 3616, 3937, 4064, 4068, 4464, 4572, 5424, 6096, 7006, 7874, 8136, 8928, 9144, 10509, 10848, 11811, 12192, 14012, 14351, 15748, 16272, 18288, 21018, 23622, 28024, 28702, 31496, 31527, 32544, 35433, 36576, 42036, 43053, 47244, 56048, 57404, 62992, 63054, 70866, 84072, 86106, 94488, 112096, 114808, 125984, 126108, 129159, 141732, 168144, 172212, 188976, 229616, 252216, 258318, 283464, 336288, 344424, 377952, 444881, 459232, 504432, 516636, 566928, 688848, 889762, 1008864, 1033272, 1133856, 1334643, 1377696, 1779524, 2066544, 2669286, 3559048, 4003929, 4133088, 5338572, 7118096, 8007858, 10677144, 14236192, 16015716, 21354288, 32031432, 42708576, 64062864, 128125728]

約数ペア:

[(1, 128125728), (2, 64062864), (3, 42708576), (4, 32031432), (6, 21354288), (8, 16015716), (9, 14236192), (12, 10677144), (16, 8007858), (18, 7118096), (24, 5338572), (31, 4133088), (32, 4003929), (36, 3559048), (48, 2669286), (62, 2066544), (72, 1779524), (93, 1377696), (96, 1334643), (113, 1133856), (124, 1033272), (127, 1008864), (144, 889762), (186, 688848), (226, 566928), (248, 516636), (254, 504432), (279, 459232), (288, 444881), (339, 377952), (372, 344424), (381, 336288), (452, 283464), (496, 258318), (508, 252216), (558, 229616), (678, 188976), (744, 172212), (762, 168144), (904, 141732), (992, 129159), (1016, 126108), (1017, 125984), (1116, 114808), (1143, 112096), (1356, 94488), (1488, 86106), (1524, 84072), (1808, 70866), (2032, 63054), (2034, 62992), (2232, 57404), (2286, 56048), (2712, 47244), (2976, 43053), (3048, 42036), (3503, 36576), (3616, 35433), (3937, 32544), (4064, 31527), (4068, 31496), (4464, 28702), (4572, 28024), (5424, 23622), (6096, 21018), (7006, 18288), (7874, 16272), (8136, 15748), (8928, 14351), (9144, 14012), (10509, 12192), (10848, 11811)]