1280160

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 5031936

約数和(自身を除く): 3751776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 127, 140, 144, 160, 168, 180, 210, 224, 240, 252, 254, 280, 288, 315, 336, 360, 381, 420, 480, 504, 508, 560, 630, 635, 672, 720, 762, 840, 889, 1008, 1016, 1120, 1143, 1260, 1270, 1440, 1524, 1680, 1778, 1905, 2016, 2032, 2286, 2520, 2540, 2667, 3048, 3360, 3556, 3810, 4064, 4445, 4572, 5040, 5080, 5334, 5715, 6096, 7112, 7620, 8001, 8890, 9144, 10080, 10160, 10668, 11430, 12192, 13335, 14224, 15240, 16002, 17780, 18288, 20320, 21336, 22860, 26670, 28448, 30480, 32004, 35560, 36576, 40005, 42672, 45720, 53340, 60960, 64008, 71120, 80010, 85344, 91440, 106680, 128016, 142240, 160020, 182880, 213360, 256032, 320040, 426720, 640080, 1280160]

約数ペア:

[(1, 1280160), (2, 640080), (3, 426720), (4, 320040), (5, 256032), (6, 213360), (7, 182880), (8, 160020), (9, 142240), (10, 128016), (12, 106680), (14, 91440), (15, 85344), (16, 80010), (18, 71120), (20, 64008), (21, 60960), (24, 53340), (28, 45720), (30, 42672), (32, 40005), (35, 36576), (36, 35560), (40, 32004), (42, 30480), (45, 28448), (48, 26670), (56, 22860), (60, 21336), (63, 20320), (70, 18288), (72, 17780), (80, 16002), (84, 15240), (90, 14224), (96, 13335), (105, 12192), (112, 11430), (120, 10668), (126, 10160), (127, 10080), (140, 9144), (144, 8890), (160, 8001), (168, 7620), (180, 7112), (210, 6096), (224, 5715), (240, 5334), (252, 5080), (254, 5040), (280, 4572), (288, 4445), (315, 4064), (336, 3810), (360, 3556), (381, 3360), (420, 3048), (480, 2667), (504, 2540), (508, 2520), (560, 2286), (630, 2032), (635, 2016), (672, 1905), (720, 1778), (762, 1680), (840, 1524), (889, 1440), (1008, 1270), (1016, 1260), (1120, 1143)]