1234560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{643}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 3941280

約数和(自身を除く): 2706720

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, 643, 960, 1286, 1920, 1929, 2572, 3215, 3858, 5144, 6430, 7716, 9645, 10288, 12860, 15432, 19290, 20576, 25720, 30864, 38580, 41152, 51440, 61728, 77160, 82304, 102880, 123456, 154320, 205760, 246912, 308640, 411520, 617280, 1234560]

約数ペア:

[(1, 1234560), (2, 617280), (3, 411520), (4, 308640), (5, 246912), (6, 205760), (8, 154320), (10, 123456), (12, 102880), (15, 82304), (16, 77160), (20, 61728), (24, 51440), (30, 41152), (32, 38580), (40, 30864), (48, 25720), (60, 20576), (64, 19290), (80, 15432), (96, 12860), (120, 10288), (128, 9645), (160, 7716), (192, 6430), (240, 5144), (320, 3858), (384, 3215), (480, 2572), (640, 1929), (643, 1920), (960, 1286)]