2644848640

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1026

約数の個数: 208

約数和(自身を含む): 7643185920

約数和(自身を除く): 4998337280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 512, 532, 560, 608, 640, 665, 760, 896, 971, 1024, 1064, 1120, 1216, 1280, 1330, 1520, 1792, 1942, 2048, 2128, 2240, 2432, 2560, 2660, 3040, 3584, 3884, 4096, 4256, 4480, 4855, 4864, 5120, 5320, 6080, 6797, 7168, 7768, 8512, 8960, 9710, 9728, 10240, 10640, 12160, 13594, 14336, 15536, 17024, 17920, 18449, 19420, 19456, 20480, 21280, 24320, 27188, 28672, 31072, 33985, 34048, 35840, 36898, 38840, 38912, 42560, 48640, 54376, 62144, 67970, 68096, 71680, 73796, 77680, 77824, 85120, 92245, 97280, 108752, 124288, 129143, 135940, 136192, 143360, 147592, 155360, 170240, 184490, 194560, 217504, 248576, 258286, 271880, 272384, 295184, 310720, 340480, 368980, 389120, 435008, 497152, 516572, 543760, 544768, 590368, 621440, 645715, 680960, 737960, 870016, 994304, 1033144, 1087520, 1180736, 1242880, 1291430, 1361920, 1475920, 1740032, 1988608, 2066288, 2175040, 2361472, 2485760, 2582860, 2723840, 2951840, 3480064, 3977216, 4132576, 4350080, 4722944, 4971520, 5165720, 5903680, 6960128, 8265152, 8700160, 9445888, 9943040, 10331440, 11807360, 13920256, 16530304, 17400320, 18891776, 19886080, 20662880, 23614720, 27840512, 33060608, 34800640, 37783552, 41325760, 47229440, 66121216, 69601280, 75567104, 82651520, 94458880, 132242432, 139202560, 165303040, 188917760, 264484864, 330606080, 377835520, 528969728, 661212160, 1322424320, 2644848640]

約数ペア:

[(1, 2644848640), (2, 1322424320), (4, 661212160), (5, 528969728), (7, 377835520), (8, 330606080), (10, 264484864), (14, 188917760), (16, 165303040), (19, 139202560), (20, 132242432), (28, 94458880), (32, 82651520), (35, 75567104), (38, 69601280), (40, 66121216), (56, 47229440), (64, 41325760), (70, 37783552), (76, 34800640), (80, 33060608), (95, 27840512), (112, 23614720), (128, 20662880), (133, 19886080), (140, 18891776), (152, 17400320), (160, 16530304), (190, 13920256), (224, 11807360), (256, 10331440), (266, 9943040), (280, 9445888), (304, 8700160), (320, 8265152), (380, 6960128), (448, 5903680), (512, 5165720), (532, 4971520), (560, 4722944), (608, 4350080), (640, 4132576), (665, 3977216), (760, 3480064), (896, 2951840), (971, 2723840), (1024, 2582860), (1064, 2485760), (1120, 2361472), (1216, 2175040), (1280, 2066288), (1330, 1988608), (1520, 1740032), (1792, 1475920), (1942, 1361920), (2048, 1291430), (2128, 1242880), (2240, 1180736), (2432, 1087520), (2560, 1033144), (2660, 994304), (3040, 870016), (3584, 737960), (3884, 680960), (4096, 645715), (4256, 621440), (4480, 590368), (4855, 544768), (4864, 543760), (5120, 516572), (5320, 497152), (6080, 435008), (6797, 389120), (7168, 368980), (7768, 340480), (8512, 310720), (8960, 295184), (9710, 272384), (9728, 271880), (10240, 258286), (10640, 248576), (12160, 217504), (13594, 194560), (14336, 184490), (15536, 170240), (17024, 155360), (17920, 147592), (18449, 143360), (19420, 136192), (19456, 135940), (20480, 129143), (21280, 124288), (24320, 108752), (27188, 97280), (28672, 92245), (31072, 85120), (33985, 77824), (34048, 77680), (35840, 73796), (36898, 71680), (38840, 68096), (38912, 67970), (42560, 62144), (48640, 54376)]