21980121600

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{572399}}^1$

素因数の和:572430

約数の個数: 120

約数和(自身を含む): 72610084800

約数和(自身を除く): 50629963200

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, 512, 600, 640, 768, 800, 960, 1200, 1280, 1536, 1600, 1920, 2400, 2560, 3200, 3840, 4800, 6400, 7680, 9600, 12800, 19200, 38400, 572399, 1144798, 1717197, 2289596, 2861995, 3434394, 4579192, 5723990, 6868788, 8585985, 9158384, 11447980, 13737576, 14309975, 17171970, 18316768, 22895960, 27475152, 28619950, 34343940, 36633536, 42929925, 45791920, 54950304, 57239900, 68687880, 73267072, 85859850, 91583840, 109900608, 114479800, 137375760, 146534144, 171719700, 183167680, 219801216, 228959600, 274751520, 293068288, 343439400, 366335360, 439602432, 457919200, 549503040, 686878800, 732670720, 879204864, 915838400, 1099006080, 1373757600, 1465341440, 1831676800, 2198012160, 2747515200, 3663353600, 4396024320, 5495030400, 7326707200, 10990060800, 21980121600]

約数ペア:

[(1, 21980121600), (2, 10990060800), (3, 7326707200), (4, 5495030400), (5, 4396024320), (6, 3663353600), (8, 2747515200), (10, 2198012160), (12, 1831676800), (15, 1465341440), (16, 1373757600), (20, 1099006080), (24, 915838400), (25, 879204864), (30, 732670720), (32, 686878800), (40, 549503040), (48, 457919200), (50, 439602432), (60, 366335360), (64, 343439400), (75, 293068288), (80, 274751520), (96, 228959600), (100, 219801216), (120, 183167680), (128, 171719700), (150, 146534144), (160, 137375760), (192, 114479800), (200, 109900608), (240, 91583840), (256, 85859850), (300, 73267072), (320, 68687880), (384, 57239900), (400, 54950304), (480, 45791920), (512, 42929925), (600, 36633536), (640, 34343940), (768, 28619950), (800, 27475152), (960, 22895960), (1200, 18316768), (1280, 17171970), (1536, 14309975), (1600, 13737576), (1920, 11447980), (2400, 9158384), (2560, 8585985), (3200, 6868788), (3840, 5723990), (4800, 4579192), (6400, 3434394), (7680, 2861995), (9600, 2289596), (12800, 1717197), (19200, 1144798), (38400, 572399)]