21990182400

素因数分解:

$2^9\times 3^3\times 5^2\times {\mathrm{63629}}^1$

素因数の和:63666

約数の個数: 240

約数和(自身を含む): 80715927600

約数和(自身を除く): 58725745200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 128, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 256, 270, 288, 300, 320, 360, 384, 400, 432, 450, 480, 512, 540, 576, 600, 640, 675, 720, 768, 800, 864, 900, 960, 1080, 1152, 1200, 1280, 1350, 1440, 1536, 1600, 1728, 1800, 1920, 2160, 2304, 2400, 2560, 2700, 2880, 3200, 3456, 3600, 3840, 4320, 4608, 4800, 5400, 5760, 6400, 6912, 7200, 7680, 8640, 9600, 10800, 11520, 12800, 13824, 14400, 17280, 19200, 21600, 23040, 28800, 34560, 38400, 43200, 57600, 63629, 69120, 86400, 115200, 127258, 172800, 190887, 254516, 318145, 345600, 381774, 509032, 572661, 636290, 763548, 954435, 1018064, 1145322, 1272580, 1527096, 1590725, 1717983, 1908870, 2036128, 2290644, 2545160, 2863305, 3054192, 3181450, 3435966, 3817740, 4072256, 4581288, 4772175, 5090320, 5726610, 6108384, 6362900, 6871932, 7635480, 8144512, 8589915, 9162576, 9544350, 10180640, 11453220, 12216768, 12725800, 13743864, 14316525, 15270960, 16289024, 17179830, 18325152, 19088700, 20361280, 22906440, 24433536, 25451600, 27487728, 28633050, 30541920, 32578048, 34359660, 36650304, 38177400, 40722560, 42949575, 45812880, 48867072, 50903200, 54975456, 57266100, 61083840, 68719320, 73300608, 76354800, 81445120, 85899150, 91625760, 97734144, 101806400, 109950912, 114532200, 122167680, 137438640, 146601216, 152709600, 162890240, 171798300, 183251520, 203612800, 219901824, 229064400, 244335360, 274877280, 293202432, 305419200, 343596600, 366503040, 407225600, 439803648, 458128800, 488670720, 549754560, 610838400, 687193200, 733006080, 814451200, 879607296, 916257600, 1099509120, 1221676800, 1374386400, 1466012160, 1832515200, 2199018240, 2443353600, 2748772800, 3665030400, 4398036480, 5497545600, 7330060800, 10995091200, 21990182400]

約数ペア:

[(1, 21990182400), (2, 10995091200), (3, 7330060800), (4, 5497545600), (5, 4398036480), (6, 3665030400), (8, 2748772800), (9, 2443353600), (10, 2199018240), (12, 1832515200), (15, 1466012160), (16, 1374386400), (18, 1221676800), (20, 1099509120), (24, 916257600), (25, 879607296), (27, 814451200), (30, 733006080), (32, 687193200), (36, 610838400), (40, 549754560), (45, 488670720), (48, 458128800), (50, 439803648), (54, 407225600), (60, 366503040), (64, 343596600), (72, 305419200), (75, 293202432), (80, 274877280), (90, 244335360), (96, 229064400), (100, 219901824), (108, 203612800), (120, 183251520), (128, 171798300), (135, 162890240), (144, 152709600), (150, 146601216), (160, 137438640), (180, 122167680), (192, 114532200), (200, 109950912), (216, 101806400), (225, 97734144), (240, 91625760), (256, 85899150), (270, 81445120), (288, 76354800), (300, 73300608), (320, 68719320), (360, 61083840), (384, 57266100), (400, 54975456), (432, 50903200), (450, 48867072), (480, 45812880), (512, 42949575), (540, 40722560), (576, 38177400), (600, 36650304), (640, 34359660), (675, 32578048), (720, 30541920), (768, 28633050), (800, 27487728), (864, 25451600), (900, 24433536), (960, 22906440), (1080, 20361280), (1152, 19088700), (1200, 18325152), (1280, 17179830), (1350, 16289024), (1440, 15270960), (1536, 14316525), (1600, 13743864), (1728, 12725800), (1800, 12216768), (1920, 11453220), (2160, 10180640), (2304, 9544350), (2400, 9162576), (2560, 8589915), (2700, 8144512), (2880, 7635480), (3200, 6871932), (3456, 6362900), (3600, 6108384), (3840, 5726610), (4320, 5090320), (4608, 4772175), (4800, 4581288), (5400, 4072256), (5760, 3817740), (6400, 3435966), (6912, 3181450), (7200, 3054192), (7680, 2863305), (8640, 2545160), (9600, 2290644), (10800, 2036128), (11520, 1908870), (12800, 1717983), (13824, 1590725), (14400, 1527096), (17280, 1272580), (19200, 1145322), (21600, 1018064), (23040, 954435), (28800, 763548), (34560, 636290), (38400, 572661), (43200, 509032), (57600, 381774), (63629, 345600), (69120, 318145), (86400, 254516), (115200, 190887), (127258, 172800)]