680400

素因数分解:

$2^4\times 3^5\times 5^2\times 7^1$

素因数の和:40

約数の個数: 180

約数和(自身を含む): 2798432

約数和(自身を除く): 2118032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 48, 50, 54, 56, 60, 63, 70, 72, 75, 80, 81, 84, 90, 100, 105, 108, 112, 120, 126, 135, 140, 144, 150, 162, 168, 175, 180, 189, 200, 210, 216, 225, 240, 243, 252, 270, 280, 300, 315, 324, 336, 350, 360, 378, 400, 405, 420, 432, 450, 486, 504, 525, 540, 560, 567, 600, 630, 648, 675, 700, 720, 756, 810, 840, 900, 945, 972, 1008, 1050, 1080, 1134, 1200, 1215, 1260, 1296, 1350, 1400, 1512, 1575, 1620, 1680, 1701, 1800, 1890, 1944, 2025, 2100, 2160, 2268, 2430, 2520, 2700, 2800, 2835, 3024, 3150, 3240, 3402, 3600, 3780, 3888, 4050, 4200, 4536, 4725, 4860, 5040, 5400, 5670, 6075, 6300, 6480, 6804, 7560, 8100, 8400, 8505, 9072, 9450, 9720, 10800, 11340, 12150, 12600, 13608, 14175, 15120, 16200, 17010, 18900, 19440, 22680, 24300, 25200, 27216, 28350, 32400, 34020, 37800, 42525, 45360, 48600, 56700, 68040, 75600, 85050, 97200, 113400, 136080, 170100, 226800, 340200, 680400]

約数ペア:

[(1, 680400), (2, 340200), (3, 226800), (4, 170100), (5, 136080), (6, 113400), (7, 97200), (8, 85050), (9, 75600), (10, 68040), (12, 56700), (14, 48600), (15, 45360), (16, 42525), (18, 37800), (20, 34020), (21, 32400), (24, 28350), (25, 27216), (27, 25200), (28, 24300), (30, 22680), (35, 19440), (36, 18900), (40, 17010), (42, 16200), (45, 15120), (48, 14175), (50, 13608), (54, 12600), (56, 12150), (60, 11340), (63, 10800), (70, 9720), (72, 9450), (75, 9072), (80, 8505), (81, 8400), (84, 8100), (90, 7560), (100, 6804), (105, 6480), (108, 6300), (112, 6075), (120, 5670), (126, 5400), (135, 5040), (140, 4860), (144, 4725), (150, 4536), (162, 4200), (168, 4050), (175, 3888), (180, 3780), (189, 3600), (200, 3402), (210, 3240), (216, 3150), (225, 3024), (240, 2835), (243, 2800), (252, 2700), (270, 2520), (280, 2430), (300, 2268), (315, 2160), (324, 2100), (336, 2025), (350, 1944), (360, 1890), (378, 1800), (400, 1701), (405, 1680), (420, 1620), (432, 1575), (450, 1512), (486, 1400), (504, 1350), (525, 1296), (540, 1260), (560, 1215), (567, 1200), (600, 1134), (630, 1080), (648, 1050), (675, 1008), (700, 972), (720, 945), (756, 900), (810, 840)]