12345600

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{643}}^1$

素因数の和:672

約数の個数: 108

約数和(自身を含む): 40806416

約数和(自身を除く): 28460816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 600, 640, 643, 768, 800, 960, 1200, 1280, 1286, 1600, 1920, 1929, 2400, 2572, 3200, 3215, 3840, 3858, 4800, 5144, 6400, 6430, 7716, 9600, 9645, 10288, 12860, 15432, 16075, 19200, 19290, 20576, 25720, 30864, 32150, 38580, 41152, 48225, 51440, 61728, 64300, 77160, 82304, 96450, 102880, 123456, 128600, 154320, 164608, 192900, 205760, 246912, 257200, 308640, 385800, 411520, 493824, 514400, 617280, 771600, 823040, 1028800, 1234560, 1543200, 2057600, 2469120, 3086400, 4115200, 6172800, 12345600]

約数ペア:

[(1, 12345600), (2, 6172800), (3, 4115200), (4, 3086400), (5, 2469120), (6, 2057600), (8, 1543200), (10, 1234560), (12, 1028800), (15, 823040), (16, 771600), (20, 617280), (24, 514400), (25, 493824), (30, 411520), (32, 385800), (40, 308640), (48, 257200), (50, 246912), (60, 205760), (64, 192900), (75, 164608), (80, 154320), (96, 128600), (100, 123456), (120, 102880), (128, 96450), (150, 82304), (160, 77160), (192, 64300), (200, 61728), (240, 51440), (256, 48225), (300, 41152), (320, 38580), (384, 32150), (400, 30864), (480, 25720), (600, 20576), (640, 19290), (643, 19200), (768, 16075), (800, 15432), (960, 12860), (1200, 10288), (1280, 9645), (1286, 9600), (1600, 7716), (1920, 6430), (1929, 6400), (2400, 5144), (2572, 4800), (3200, 3858), (3215, 3840)]