1981568400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{235901}}^1$

素因数の和:235929

約数の個数: 120

約数和(自身を含む): 7254458304

約数和(自身を除く): 5272889904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2800, 4200, 8400, 235901, 471802, 707703, 943604, 1179505, 1415406, 1651307, 1887208, 2359010, 2830812, 3302614, 3538515, 3774416, 4718020, 4953921, 5661624, 5897525, 6605228, 7077030, 8256535, 9436040, 9907842, 11323248, 11795050, 13210456, 14154060, 16513070, 17692575, 18872080, 19815684, 23590100, 24769605, 26420912, 28308120, 33026140, 35385150, 39631368, 41282675, 47180200, 49539210, 56616240, 66052280, 70770300, 79262736, 82565350, 94360400, 99078420, 123848025, 132104560, 141540600, 165130700, 198156840, 247696050, 283081200, 330261400, 396313680, 495392100, 660522800, 990784200, 1981568400]

約数ペア:

[(1, 1981568400), (2, 990784200), (3, 660522800), (4, 495392100), (5, 396313680), (6, 330261400), (7, 283081200), (8, 247696050), (10, 198156840), (12, 165130700), (14, 141540600), (15, 132104560), (16, 123848025), (20, 99078420), (21, 94360400), (24, 82565350), (25, 79262736), (28, 70770300), (30, 66052280), (35, 56616240), (40, 49539210), (42, 47180200), (48, 41282675), (50, 39631368), (56, 35385150), (60, 33026140), (70, 28308120), (75, 26420912), (80, 24769605), (84, 23590100), (100, 19815684), (105, 18872080), (112, 17692575), (120, 16513070), (140, 14154060), (150, 13210456), (168, 11795050), (175, 11323248), (200, 9907842), (210, 9436040), (240, 8256535), (280, 7077030), (300, 6605228), (336, 5897525), (350, 5661624), (400, 4953921), (420, 4718020), (525, 3774416), (560, 3538515), (600, 3302614), (700, 2830812), (840, 2359010), (1050, 1887208), (1200, 1651307), (1400, 1415406), (1680, 1179505), (2100, 943604), (2800, 707703), (4200, 471802), (8400, 235901)]