20216217600

素因数分解:

$2^{16}\times 3^3\times 5^2\times {\mathrm{457}}^1$

素因数の和:508

約数の個数: 408

約数和(自身を含む): 74437842320

約数和(自身を除く): 54221624720

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, 457, 480, 512, 540, 576, 600, 640, 675, 720, 768, 800, 864, 900, 914, 960, 1024, 1080, 1152, 1200, 1280, 1350, 1371, 1440, 1536, 1600, 1728, 1800, 1828, 1920, 2048, 2160, 2285, 2304, 2400, 2560, 2700, 2742, 2880, 3072, 3200, 3456, 3600, 3656, 3840, 4096, 4113, 4320, 4570, 4608, 4800, 5120, 5400, 5484, 5760, 6144, 6400, 6855, 6912, 7200, 7312, 7680, 8192, 8226, 8640, 9140, 9216, 9600, 10240, 10800, 10968, 11425, 11520, 12288, 12339, 12800, 13710, 13824, 14400, 14624, 15360, 16384, 16452, 17280, 18280, 18432, 19200, 20480, 20565, 21600, 21936, 22850, 23040, 24576, 24678, 25600, 27420, 27648, 28800, 29248, 30720, 32768, 32904, 34275, 34560, 36560, 36864, 38400, 40960, 41130, 43200, 43872, 45700, 46080, 49152, 49356, 51200, 54840, 55296, 57600, 58496, 61440, 61695, 65536, 65808, 68550, 69120, 73120, 73728, 76800, 81920, 82260, 86400, 87744, 91400, 92160, 98304, 98712, 102400, 102825, 109680, 110592, 115200, 116992, 122880, 123390, 131616, 137100, 138240, 146240, 147456, 153600, 163840, 164520, 172800, 175488, 182800, 184320, 196608, 197424, 204800, 205650, 219360, 221184, 230400, 233984, 245760, 246780, 263232, 274200, 276480, 292480, 294912, 307200, 308475, 327680, 329040, 345600, 350976, 365600, 368640, 394848, 409600, 411300, 438720, 442368, 460800, 467968, 491520, 493560, 526464, 548400, 552960, 584960, 589824, 614400, 616950, 658080, 691200, 701952, 731200, 737280, 789696, 819200, 822600, 877440, 884736, 921600, 935936, 983040, 987120, 1052928, 1096800, 1105920, 1169920, 1228800, 1233900, 1316160, 1382400, 1403904, 1462400, 1474560, 1579392, 1638400, 1645200, 1754880, 1769472, 1843200, 1871872, 1974240, 2105856, 2193600, 2211840, 2339840, 2457600, 2467800, 2632320, 2764800, 2807808, 2924800, 2949120, 3158784, 3290400, 3509760, 3686400, 3743744, 3948480, 4211712, 4387200, 4423680, 4679680, 4915200, 4935600, 5264640, 5529600, 5615616, 5849600, 6317568, 6580800, 7019520, 7372800, 7487488, 7896960, 8423424, 8774400, 8847360, 9359360, 9871200, 10529280, 11059200, 11231232, 11699200, 12635136, 13161600, 14039040, 14745600, 14974976, 15793920, 16846848, 17548800, 18718720, 19742400, 21058560, 22118400, 22462464, 23398400, 25270272, 26323200, 28078080, 29949952, 31587840, 33693696, 35097600, 37437440, 39484800, 42117120, 44236800, 44924928, 46796800, 50540544, 52646400, 56156160, 63175680, 67387392, 70195200, 74874880, 78969600, 84234240, 89849856, 93593600, 101081088, 105292800, 112312320, 126351360, 134774784, 140390400, 149749760, 157939200, 168468480, 187187200, 202162176, 210585600, 224624640, 252702720, 269549568, 280780800, 315878400, 336936960, 374374400, 404324352, 421171200, 449249280, 505405440, 561561600, 631756800, 673873920, 748748800, 808648704, 842342400, 1010810880, 1123123200, 1263513600, 1347747840, 1684684800, 2021621760, 2246246400, 2527027200, 3369369600, 4043243520, 5054054400, 6738739200, 10108108800, 20216217600]

約数ペア:

[(1, 20216217600), (2, 10108108800), (3, 6738739200), (4, 5054054400), (5, 4043243520), (6, 3369369600), (8, 2527027200), (9, 2246246400), (10, 2021621760), (12, 1684684800), (15, 1347747840), (16, 1263513600), (18, 1123123200), (20, 1010810880), (24, 842342400), (25, 808648704), (27, 748748800), (30, 673873920), (32, 631756800), (36, 561561600), (40, 505405440), (45, 449249280), (48, 421171200), (50, 404324352), (54, 374374400), (60, 336936960), (64, 315878400), (72, 280780800), (75, 269549568), (80, 252702720), (90, 224624640), (96, 210585600), (100, 202162176), (108, 187187200), (120, 168468480), (128, 157939200), (135, 149749760), (144, 140390400), (150, 134774784), (160, 126351360), (180, 112312320), (192, 105292800), (200, 101081088), (216, 93593600), (225, 89849856), (240, 84234240), (256, 78969600), (270, 74874880), (288, 70195200), (300, 67387392), (320, 63175680), (360, 56156160), (384, 52646400), (400, 50540544), (432, 46796800), (450, 44924928), (457, 44236800), (480, 42117120), (512, 39484800), (540, 37437440), (576, 35097600), (600, 33693696), (640, 31587840), (675, 29949952), (720, 28078080), (768, 26323200), (800, 25270272), (864, 23398400), (900, 22462464), (914, 22118400), (960, 21058560), (1024, 19742400), (1080, 18718720), (1152, 17548800), (1200, 16846848), (1280, 15793920), (1350, 14974976), (1371, 14745600), (1440, 14039040), (1536, 13161600), (1600, 12635136), (1728, 11699200), (1800, 11231232), (1828, 11059200), (1920, 10529280), (2048, 9871200), (2160, 9359360), (2285, 8847360), (2304, 8774400), (2400, 8423424), (2560, 7896960), (2700, 7487488), (2742, 7372800), (2880, 7019520), (3072, 6580800), (3200, 6317568), (3456, 5849600), (3600, 5615616), (3656, 5529600), (3840, 5264640), (4096, 4935600), (4113, 4915200), (4320, 4679680), (4570, 4423680), (4608, 4387200), (4800, 4211712), (5120, 3948480), (5400, 3743744), (5484, 3686400), (5760, 3509760), (6144, 3290400), (6400, 3158784), (6855, 2949120), (6912, 2924800), (7200, 2807808), (7312, 2764800), (7680, 2632320), (8192, 2467800), (8226, 2457600), (8640, 2339840), (9140, 2211840), (9216, 2193600), (9600, 2105856), (10240, 1974240), (10800, 1871872), (10968, 1843200), (11425, 1769472), (11520, 1754880), (12288, 1645200), (12339, 1638400), (12800, 1579392), (13710, 1474560), (13824, 1462400), (14400, 1403904), (14624, 1382400), (15360, 1316160), (16384, 1233900), (16452, 1228800), (17280, 1169920), (18280, 1105920), (18432, 1096800), (19200, 1052928), (20480, 987120), (20565, 983040), (21600, 935936), (21936, 921600), (22850, 884736), (23040, 877440), (24576, 822600), (24678, 819200), (25600, 789696), (27420, 737280), (27648, 731200), (28800, 701952), (29248, 691200), (30720, 658080), (32768, 616950), (32904, 614400), (34275, 589824), (34560, 584960), (36560, 552960), (36864, 548400), (38400, 526464), (40960, 493560), (41130, 491520), (43200, 467968), (43872, 460800), (45700, 442368), (46080, 438720), (49152, 411300), (49356, 409600), (51200, 394848), (54840, 368640), (55296, 365600), (57600, 350976), (58496, 345600), (61440, 329040), (61695, 327680), (65536, 308475), (65808, 307200), (68550, 294912), (69120, 292480), (73120, 276480), (73728, 274200), (76800, 263232), (81920, 246780), (82260, 245760), (86400, 233984), (87744, 230400), (91400, 221184), (92160, 219360), (98304, 205650), (98712, 204800), (102400, 197424), (102825, 196608), (109680, 184320), (110592, 182800), (115200, 175488), (116992, 172800), (122880, 164520), (123390, 163840), (131616, 153600), (137100, 147456), (138240, 146240)]