1290837120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{672311}}^1$

素因数の和:672333

約数の個数: 64

約数和(自身を含む): 4114549440

約数和(自身を除く): 2823712320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 672311, 1344622, 2016933, 2689244, 3361555, 4033866, 5378488, 6723110, 8067732, 10084665, 10756976, 13446220, 16135464, 20169330, 21513952, 26892440, 32270928, 40338660, 43027904, 53784880, 64541856, 80677320, 86055808, 107569760, 129083712, 161354640, 215139520, 258167424, 322709280, 430279040, 645418560, 1290837120]

約数ペア:

[(1, 1290837120), (2, 645418560), (3, 430279040), (4, 322709280), (5, 258167424), (6, 215139520), (8, 161354640), (10, 129083712), (12, 107569760), (15, 86055808), (16, 80677320), (20, 64541856), (24, 53784880), (30, 43027904), (32, 40338660), (40, 32270928), (48, 26892440), (60, 21513952), (64, 20169330), (80, 16135464), (96, 13446220), (120, 10756976), (128, 10084665), (160, 8067732), (192, 6723110), (240, 5378488), (320, 4033866), (384, 3361555), (480, 2689244), (640, 2016933), (960, 1344622), (1920, 672311)]