1368256000

素因数分解:

$2^9\times 5^3\times {\mathrm{21379}}^1$

素因数の和:21412

約数の個数: 80

約数和(自身を含む): 3411991440

約数和(自身を除く): 2043735440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 640, 800, 1000, 1280, 1600, 2000, 2560, 3200, 4000, 6400, 8000, 12800, 16000, 21379, 32000, 42758, 64000, 85516, 106895, 171032, 213790, 342064, 427580, 534475, 684128, 855160, 1068950, 1368256, 1710320, 2137900, 2672375, 2736512, 3420640, 4275800, 5344750, 5473024, 6841280, 8551600, 10689500, 10946048, 13682560, 17103200, 21379000, 27365120, 34206400, 42758000, 54730240, 68412800, 85516000, 136825600, 171032000, 273651200, 342064000, 684128000, 1368256000]

約数ペア:

[(1, 1368256000), (2, 684128000), (4, 342064000), (5, 273651200), (8, 171032000), (10, 136825600), (16, 85516000), (20, 68412800), (25, 54730240), (32, 42758000), (40, 34206400), (50, 27365120), (64, 21379000), (80, 17103200), (100, 13682560), (125, 10946048), (128, 10689500), (160, 8551600), (200, 6841280), (250, 5473024), (256, 5344750), (320, 4275800), (400, 3420640), (500, 2736512), (512, 2672375), (640, 2137900), (800, 1710320), (1000, 1368256), (1280, 1068950), (1600, 855160), (2000, 684128), (2560, 534475), (3200, 427580), (4000, 342064), (6400, 213790), (8000, 171032), (12800, 106895), (16000, 85516), (21379, 64000), (32000, 42758)]