1218990080

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{773}}^1$

素因数の和:820

約数の個数: 208

約数和(自身を含む): 3651744384

約数和(自身を除く): 2432754304

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 512, 560, 616, 640, 704, 770, 773, 880, 896, 1024, 1120, 1232, 1280, 1408, 1540, 1546, 1760, 1792, 2048, 2240, 2464, 2560, 2816, 3080, 3092, 3520, 3584, 3865, 4096, 4480, 4928, 5120, 5411, 5632, 6160, 6184, 7040, 7168, 7730, 8503, 8960, 9856, 10240, 10822, 11264, 12320, 12368, 14080, 14336, 15460, 17006, 17920, 19712, 20480, 21644, 22528, 24640, 24736, 27055, 28160, 28672, 30920, 34012, 35840, 39424, 42515, 43288, 45056, 49280, 49472, 54110, 56320, 59521, 61840, 68024, 71680, 78848, 85030, 86576, 98560, 98944, 108220, 112640, 119042, 123680, 136048, 143360, 157696, 170060, 173152, 197120, 197888, 216440, 225280, 238084, 247360, 272096, 297605, 315392, 340120, 346304, 394240, 395776, 432880, 476168, 494720, 544192, 595210, 680240, 692608, 788480, 791552, 865760, 952336, 989440, 1088384, 1190420, 1360480, 1385216, 1576960, 1583104, 1731520, 1904672, 1978880, 2176768, 2380840, 2720960, 2770432, 3166208, 3463040, 3809344, 3957760, 4353536, 4761680, 5441920, 5540864, 6926080, 7618688, 7915520, 8707072, 9523360, 10883840, 11081728, 13852160, 15237376, 15831040, 17414144, 19046720, 21767680, 22163456, 27704320, 30474752, 34828288, 38093440, 43535360, 55408640, 60949504, 76186880, 87070720, 110817280, 121899008, 152373760, 174141440, 243798016, 304747520, 609495040, 1218990080]

約数ペア:

[(1, 1218990080), (2, 609495040), (4, 304747520), (5, 243798016), (7, 174141440), (8, 152373760), (10, 121899008), (11, 110817280), (14, 87070720), (16, 76186880), (20, 60949504), (22, 55408640), (28, 43535360), (32, 38093440), (35, 34828288), (40, 30474752), (44, 27704320), (55, 22163456), (56, 21767680), (64, 19046720), (70, 17414144), (77, 15831040), (80, 15237376), (88, 13852160), (110, 11081728), (112, 10883840), (128, 9523360), (140, 8707072), (154, 7915520), (160, 7618688), (176, 6926080), (220, 5540864), (224, 5441920), (256, 4761680), (280, 4353536), (308, 3957760), (320, 3809344), (352, 3463040), (385, 3166208), (440, 2770432), (448, 2720960), (512, 2380840), (560, 2176768), (616, 1978880), (640, 1904672), (704, 1731520), (770, 1583104), (773, 1576960), (880, 1385216), (896, 1360480), (1024, 1190420), (1120, 1088384), (1232, 989440), (1280, 952336), (1408, 865760), (1540, 791552), (1546, 788480), (1760, 692608), (1792, 680240), (2048, 595210), (2240, 544192), (2464, 494720), (2560, 476168), (2816, 432880), (3080, 395776), (3092, 394240), (3520, 346304), (3584, 340120), (3865, 315392), (4096, 297605), (4480, 272096), (4928, 247360), (5120, 238084), (5411, 225280), (5632, 216440), (6160, 197888), (6184, 197120), (7040, 173152), (7168, 170060), (7730, 157696), (8503, 143360), (8960, 136048), (9856, 123680), (10240, 119042), (10822, 112640), (11264, 108220), (12320, 98944), (12368, 98560), (14080, 86576), (14336, 85030), (15460, 78848), (17006, 71680), (17920, 68024), (19712, 61840), (20480, 59521), (21644, 56320), (22528, 54110), (24640, 49472), (24736, 49280), (27055, 45056), (28160, 43288), (28672, 42515), (30920, 39424), (34012, 35840)]