21901612800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{1140709}}^1$

素因数の和:1140738

約数の個数: 108

約数和(自身を含む): 72279948440

約数和(自身を除く): 50378335640

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, 768, 800, 960, 1200, 1280, 1600, 1920, 2400, 3200, 3840, 4800, 6400, 9600, 19200, 1140709, 2281418, 3422127, 4562836, 5703545, 6844254, 9125672, 11407090, 13688508, 17110635, 18251344, 22814180, 27377016, 28517725, 34221270, 36502688, 45628360, 54754032, 57035450, 68442540, 73005376, 85553175, 91256720, 109508064, 114070900, 136885080, 146010752, 171106350, 182513440, 219016128, 228141800, 273770160, 292021504, 342212700, 365026880, 438032256, 456283600, 547540320, 684425400, 730053760, 876064512, 912567200, 1095080640, 1368850800, 1460107520, 1825134400, 2190161280, 2737701600, 3650268800, 4380322560, 5475403200, 7300537600, 10950806400, 21901612800]

約数ペア:

[(1, 21901612800), (2, 10950806400), (3, 7300537600), (4, 5475403200), (5, 4380322560), (6, 3650268800), (8, 2737701600), (10, 2190161280), (12, 1825134400), (15, 1460107520), (16, 1368850800), (20, 1095080640), (24, 912567200), (25, 876064512), (30, 730053760), (32, 684425400), (40, 547540320), (48, 456283600), (50, 438032256), (60, 365026880), (64, 342212700), (75, 292021504), (80, 273770160), (96, 228141800), (100, 219016128), (120, 182513440), (128, 171106350), (150, 146010752), (160, 136885080), (192, 114070900), (200, 109508064), (240, 91256720), (256, 85553175), (300, 73005376), (320, 68442540), (384, 57035450), (400, 54754032), (480, 45628360), (600, 36502688), (640, 34221270), (768, 28517725), (800, 27377016), (960, 22814180), (1200, 18251344), (1280, 17110635), (1600, 13688508), (1920, 11407090), (2400, 9125672), (3200, 6844254), (3840, 5703545), (4800, 4562836), (6400, 3422127), (9600, 2281418), (19200, 1140709)]