821080960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10781}}^1$

素因数の和:10824

約数の個数: 128

約数和(自身を含む): 2375490240

約数和(自身を除く): 1554409280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1360, 1904, 2176, 2240, 2380, 2720, 3808, 4480, 4760, 5440, 7616, 9520, 10781, 10880, 15232, 19040, 21562, 38080, 43124, 53905, 75467, 76160, 86248, 107810, 150934, 172496, 183277, 215620, 301868, 344992, 366554, 377335, 431240, 603736, 689984, 733108, 754670, 862480, 916385, 1207472, 1282939, 1379968, 1466216, 1509340, 1724960, 1832770, 2414944, 2565878, 2932432, 3018680, 3449920, 3665540, 4829888, 5131756, 5864864, 6037360, 6414695, 6899840, 7331080, 9659776, 10263512, 11729728, 12074720, 12829390, 14662160, 20527024, 23459456, 24149440, 25658780, 29324320, 41054048, 48298880, 51317560, 58648640, 82108096, 102635120, 117297280, 164216192, 205270240, 410540480, 821080960]

約数ペア:

[(1, 821080960), (2, 410540480), (4, 205270240), (5, 164216192), (7, 117297280), (8, 102635120), (10, 82108096), (14, 58648640), (16, 51317560), (17, 48298880), (20, 41054048), (28, 29324320), (32, 25658780), (34, 24149440), (35, 23459456), (40, 20527024), (56, 14662160), (64, 12829390), (68, 12074720), (70, 11729728), (80, 10263512), (85, 9659776), (112, 7331080), (119, 6899840), (128, 6414695), (136, 6037360), (140, 5864864), (160, 5131756), (170, 4829888), (224, 3665540), (238, 3449920), (272, 3018680), (280, 2932432), (320, 2565878), (340, 2414944), (448, 1832770), (476, 1724960), (544, 1509340), (560, 1466216), (595, 1379968), (640, 1282939), (680, 1207472), (896, 916385), (952, 862480), (1088, 754670), (1120, 733108), (1190, 689984), (1360, 603736), (1904, 431240), (2176, 377335), (2240, 366554), (2380, 344992), (2720, 301868), (3808, 215620), (4480, 183277), (4760, 172496), (5440, 150934), (7616, 107810), (9520, 86248), (10781, 76160), (10880, 75467), (15232, 53905), (19040, 43124), (21562, 38080)]