7200900

素因数分解:

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

素因数の和:160

約数の個数: 180

約数和(自身を含む): 26887168

約数和(自身を除く): 19686268

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 81, 84, 90, 100, 105, 108, 126, 127, 135, 140, 150, 162, 175, 180, 189, 210, 225, 252, 254, 270, 300, 315, 324, 350, 378, 381, 405, 420, 450, 508, 525, 540, 567, 630, 635, 675, 700, 756, 762, 810, 889, 900, 945, 1050, 1134, 1143, 1260, 1270, 1350, 1524, 1575, 1620, 1778, 1890, 1905, 2025, 2100, 2268, 2286, 2540, 2667, 2700, 2835, 3150, 3175, 3429, 3556, 3780, 3810, 4050, 4445, 4572, 4725, 5334, 5670, 5715, 6300, 6350, 6858, 7620, 8001, 8100, 8890, 9450, 9525, 10287, 10668, 11340, 11430, 12700, 13335, 13716, 14175, 16002, 17145, 17780, 18900, 19050, 20574, 22225, 22860, 24003, 26670, 28350, 28575, 32004, 34290, 38100, 40005, 41148, 44450, 48006, 51435, 53340, 56700, 57150, 66675, 68580, 72009, 80010, 85725, 88900, 96012, 102870, 114300, 120015, 133350, 144018, 160020, 171450, 200025, 205740, 240030, 257175, 266700, 288036, 342900, 360045, 400050, 480060, 514350, 600075, 720090, 800100, 1028700, 1200150, 1440180, 1800225, 2400300, 3600450, 7200900]

約数ペア:

[(1, 7200900), (2, 3600450), (3, 2400300), (4, 1800225), (5, 1440180), (6, 1200150), (7, 1028700), (9, 800100), (10, 720090), (12, 600075), (14, 514350), (15, 480060), (18, 400050), (20, 360045), (21, 342900), (25, 288036), (27, 266700), (28, 257175), (30, 240030), (35, 205740), (36, 200025), (42, 171450), (45, 160020), (50, 144018), (54, 133350), (60, 120015), (63, 114300), (70, 102870), (75, 96012), (81, 88900), (84, 85725), (90, 80010), (100, 72009), (105, 68580), (108, 66675), (126, 57150), (127, 56700), (135, 53340), (140, 51435), (150, 48006), (162, 44450), (175, 41148), (180, 40005), (189, 38100), (210, 34290), (225, 32004), (252, 28575), (254, 28350), (270, 26670), (300, 24003), (315, 22860), (324, 22225), (350, 20574), (378, 19050), (381, 18900), (405, 17780), (420, 17145), (450, 16002), (508, 14175), (525, 13716), (540, 13335), (567, 12700), (630, 11430), (635, 11340), (675, 10668), (700, 10287), (756, 9525), (762, 9450), (810, 8890), (889, 8100), (900, 8001), (945, 7620), (1050, 6858), (1134, 6350), (1143, 6300), (1260, 5715), (1270, 5670), (1350, 5334), (1524, 4725), (1575, 4572), (1620, 4445), (1778, 4050), (1890, 3810), (1905, 3780), (2025, 3556), (2100, 3429), (2268, 3175), (2286, 3150), (2540, 2835), (2667, 2700)]