20758648320

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{52999}}^1$

素因数の和:53045

約数の個数: 240

約数和(自身を含む): 76123476000

約数和(自身を除く): 55364827680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 512, 544, 576, 612, 640, 680, 720, 765, 768, 816, 960, 1020, 1088, 1152, 1224, 1280, 1360, 1440, 1530, 1536, 1632, 1920, 2040, 2176, 2304, 2448, 2560, 2720, 2880, 3060, 3264, 3840, 4080, 4352, 4608, 4896, 5440, 5760, 6120, 6528, 7680, 8160, 8704, 9792, 10880, 11520, 12240, 13056, 16320, 19584, 21760, 23040, 24480, 26112, 32640, 39168, 43520, 48960, 52999, 65280, 78336, 97920, 105998, 130560, 158997, 195840, 211996, 264995, 317994, 391680, 423992, 476991, 529990, 635988, 794985, 847984, 900983, 953982, 1059980, 1271976, 1589970, 1695968, 1801966, 1907964, 2119960, 2384955, 2543952, 2702949, 3179940, 3391936, 3603932, 3815928, 4239920, 4504915, 4769910, 5087904, 5405898, 6359880, 6783872, 7207864, 7631856, 8108847, 8479840, 9009830, 9539820, 10175808, 10811796, 12719760, 13514745, 13567744, 14415728, 15263712, 16217694, 16959680, 18019660, 19079640, 20351616, 21623592, 25439520, 27029490, 27135488, 28831456, 30527424, 32435388, 33919360, 36039320, 38159280, 40544235, 40703232, 43247184, 50879040, 54058980, 57662912, 61054848, 64870776, 67838720, 72078640, 76318560, 81088470, 81406464, 86494368, 101758080, 108117960, 115325824, 122109696, 129741552, 135677440, 144157280, 152637120, 162176940, 172988736, 203516160, 216235920, 230651648, 244219392, 259483104, 288314560, 305274240, 324353880, 345977472, 407032320, 432471840, 461303296, 518966208, 576629120, 610548480, 648707760, 691954944, 864943680, 1037932416, 1153258240, 1221096960, 1297415520, 1383909888, 1729887360, 2075864832, 2306516480, 2594831040, 3459774720, 4151729664, 5189662080, 6919549440, 10379324160, 20758648320]

約数ペア:

[(1, 20758648320), (2, 10379324160), (3, 6919549440), (4, 5189662080), (5, 4151729664), (6, 3459774720), (8, 2594831040), (9, 2306516480), (10, 2075864832), (12, 1729887360), (15, 1383909888), (16, 1297415520), (17, 1221096960), (18, 1153258240), (20, 1037932416), (24, 864943680), (30, 691954944), (32, 648707760), (34, 610548480), (36, 576629120), (40, 518966208), (45, 461303296), (48, 432471840), (51, 407032320), (60, 345977472), (64, 324353880), (68, 305274240), (72, 288314560), (80, 259483104), (85, 244219392), (90, 230651648), (96, 216235920), (102, 203516160), (120, 172988736), (128, 162176940), (136, 152637120), (144, 144157280), (153, 135677440), (160, 129741552), (170, 122109696), (180, 115325824), (192, 108117960), (204, 101758080), (240, 86494368), (255, 81406464), (256, 81088470), (272, 76318560), (288, 72078640), (306, 67838720), (320, 64870776), (340, 61054848), (360, 57662912), (384, 54058980), (408, 50879040), (480, 43247184), (510, 40703232), (512, 40544235), (544, 38159280), (576, 36039320), (612, 33919360), (640, 32435388), (680, 30527424), (720, 28831456), (765, 27135488), (768, 27029490), (816, 25439520), (960, 21623592), (1020, 20351616), (1088, 19079640), (1152, 18019660), (1224, 16959680), (1280, 16217694), (1360, 15263712), (1440, 14415728), (1530, 13567744), (1536, 13514745), (1632, 12719760), (1920, 10811796), (2040, 10175808), (2176, 9539820), (2304, 9009830), (2448, 8479840), (2560, 8108847), (2720, 7631856), (2880, 7207864), (3060, 6783872), (3264, 6359880), (3840, 5405898), (4080, 5087904), (4352, 4769910), (4608, 4504915), (4896, 4239920), (5440, 3815928), (5760, 3603932), (6120, 3391936), (6528, 3179940), (7680, 2702949), (8160, 2543952), (8704, 2384955), (9792, 2119960), (10880, 1907964), (11520, 1801966), (12240, 1695968), (13056, 1589970), (16320, 1271976), (19584, 1059980), (21760, 953982), (23040, 900983), (24480, 847984), (26112, 794985), (32640, 635988), (39168, 529990), (43520, 476991), (48960, 423992), (52999, 391680), (65280, 317994), (78336, 264995), (97920, 211996), (105998, 195840), (130560, 158997)]