20780476800

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{2164633}}^1$

素因数の和:2164660

約数の個数: 96

約数和(自身を含む): 68445727080

約数和(自身を除く): 47665250280

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, 300, 320, 384, 400, 480, 600, 640, 800, 960, 1200, 1600, 1920, 2400, 3200, 4800, 9600, 2164633, 4329266, 6493899, 8658532, 10823165, 12987798, 17317064, 21646330, 25975596, 32469495, 34634128, 43292660, 51951192, 54115825, 64938990, 69268256, 86585320, 103902384, 108231650, 129877980, 138536512, 162347475, 173170640, 207804768, 216463300, 259755960, 277073024, 324694950, 346341280, 415609536, 432926600, 519511920, 649389900, 692682560, 831219072, 865853200, 1039023840, 1298779800, 1385365120, 1731706400, 2078047680, 2597559600, 3463412800, 4156095360, 5195119200, 6926825600, 10390238400, 20780476800]

約数ペア:

[(1, 20780476800), (2, 10390238400), (3, 6926825600), (4, 5195119200), (5, 4156095360), (6, 3463412800), (8, 2597559600), (10, 2078047680), (12, 1731706400), (15, 1385365120), (16, 1298779800), (20, 1039023840), (24, 865853200), (25, 831219072), (30, 692682560), (32, 649389900), (40, 519511920), (48, 432926600), (50, 415609536), (60, 346341280), (64, 324694950), (75, 277073024), (80, 259755960), (96, 216463300), (100, 207804768), (120, 173170640), (128, 162347475), (150, 138536512), (160, 129877980), (192, 108231650), (200, 103902384), (240, 86585320), (300, 69268256), (320, 64938990), (384, 54115825), (400, 51951192), (480, 43292660), (600, 34634128), (640, 32469495), (800, 25975596), (960, 21646330), (1200, 17317064), (1600, 12987798), (1920, 10823165), (2400, 8658532), (3200, 6493899), (4800, 4329266), (9600, 2164633)]