1440180

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{127}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 5203968

約数和(自身を除く): 3763788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 127, 135, 140, 162, 180, 189, 210, 252, 254, 270, 315, 324, 378, 381, 405, 420, 508, 540, 567, 630, 635, 756, 762, 810, 889, 945, 1134, 1143, 1260, 1270, 1524, 1620, 1778, 1890, 1905, 2268, 2286, 2540, 2667, 2835, 3429, 3556, 3780, 3810, 4445, 4572, 5334, 5670, 5715, 6858, 7620, 8001, 8890, 10287, 10668, 11340, 11430, 13335, 13716, 16002, 17145, 17780, 20574, 22860, 24003, 26670, 32004, 34290, 40005, 41148, 48006, 51435, 53340, 68580, 72009, 80010, 96012, 102870, 120015, 144018, 160020, 205740, 240030, 288036, 360045, 480060, 720090, 1440180]

約数ペア:

[(1, 1440180), (2, 720090), (3, 480060), (4, 360045), (5, 288036), (6, 240030), (7, 205740), (9, 160020), (10, 144018), (12, 120015), (14, 102870), (15, 96012), (18, 80010), (20, 72009), (21, 68580), (27, 53340), (28, 51435), (30, 48006), (35, 41148), (36, 40005), (42, 34290), (45, 32004), (54, 26670), (60, 24003), (63, 22860), (70, 20574), (81, 17780), (84, 17145), (90, 16002), (105, 13716), (108, 13335), (126, 11430), (127, 11340), (135, 10668), (140, 10287), (162, 8890), (180, 8001), (189, 7620), (210, 6858), (252, 5715), (254, 5670), (270, 5334), (315, 4572), (324, 4445), (378, 3810), (381, 3780), (405, 3556), (420, 3429), (508, 2835), (540, 2667), (567, 2540), (630, 2286), (635, 2268), (756, 1905), (762, 1890), (810, 1778), (889, 1620), (945, 1524), (1134, 1270), (1143, 1260)]