21641688320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{6373}}^1$

素因数の和:6780

約数の個数: 144

約数和(自身を含む): 59409759360

約数和(自身を除く): 37768071040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 379, 448, 560, 640, 758, 896, 1120, 1280, 1516, 1792, 1895, 2240, 2653, 3032, 3790, 4480, 5306, 6064, 6373, 7580, 8960, 10612, 12128, 12746, 13265, 15160, 21224, 24256, 25492, 26530, 30320, 31865, 42448, 44611, 48512, 50984, 53060, 60640, 63730, 84896, 89222, 97024, 101968, 106120, 121280, 127460, 169792, 178444, 203936, 212240, 223055, 242560, 254920, 339584, 356888, 407872, 424480, 446110, 485120, 509840, 679168, 713776, 815744, 848960, 892220, 1019680, 1427552, 1631488, 1697920, 1784440, 2039360, 2415367, 2855104, 3395840, 3568880, 4078720, 4830734, 5710208, 7137760, 8157440, 9661468, 11420416, 12076835, 14275520, 16907569, 19322936, 24153670, 28551040, 33815138, 38645872, 48307340, 57102080, 67630276, 77291744, 84537845, 96614680, 135260552, 154583488, 169075690, 193229360, 270521104, 309166976, 338151380, 386458720, 541042208, 618333952, 676302760, 772917440, 1082084416, 1352605520, 1545834880, 2164168832, 2705211040, 3091669760, 4328337664, 5410422080, 10820844160, 21641688320]

約数ペア:

[(1, 21641688320), (2, 10820844160), (4, 5410422080), (5, 4328337664), (7, 3091669760), (8, 2705211040), (10, 2164168832), (14, 1545834880), (16, 1352605520), (20, 1082084416), (28, 772917440), (32, 676302760), (35, 618333952), (40, 541042208), (56, 386458720), (64, 338151380), (70, 309166976), (80, 270521104), (112, 193229360), (128, 169075690), (140, 154583488), (160, 135260552), (224, 96614680), (256, 84537845), (280, 77291744), (320, 67630276), (379, 57102080), (448, 48307340), (560, 38645872), (640, 33815138), (758, 28551040), (896, 24153670), (1120, 19322936), (1280, 16907569), (1516, 14275520), (1792, 12076835), (1895, 11420416), (2240, 9661468), (2653, 8157440), (3032, 7137760), (3790, 5710208), (4480, 4830734), (5306, 4078720), (6064, 3568880), (6373, 3395840), (7580, 2855104), (8960, 2415367), (10612, 2039360), (12128, 1784440), (12746, 1697920), (13265, 1631488), (15160, 1427552), (21224, 1019680), (24256, 892220), (25492, 848960), (26530, 815744), (30320, 713776), (31865, 679168), (42448, 509840), (44611, 485120), (48512, 446110), (50984, 424480), (53060, 407872), (60640, 356888), (63730, 339584), (84896, 254920), (89222, 242560), (97024, 223055), (101968, 212240), (106120, 203936), (121280, 178444), (127460, 169792)]