78863680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 224

約数和(自身を含む): 241401600

約数和(自身を除く): 162537920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 32, 34, 35, 38, 40, 56, 64, 68, 70, 76, 80, 85, 95, 109, 112, 119, 133, 136, 140, 152, 160, 170, 190, 218, 224, 238, 266, 272, 280, 304, 320, 323, 340, 380, 436, 448, 476, 532, 544, 545, 560, 595, 608, 646, 665, 680, 760, 763, 872, 952, 1064, 1088, 1090, 1120, 1190, 1216, 1292, 1330, 1360, 1520, 1526, 1615, 1744, 1853, 1904, 2071, 2128, 2180, 2240, 2261, 2380, 2584, 2660, 2720, 3040, 3052, 3230, 3488, 3706, 3808, 3815, 4142, 4256, 4360, 4522, 4760, 5168, 5320, 5440, 6080, 6104, 6460, 6976, 7412, 7616, 7630, 8284, 8512, 8720, 9044, 9265, 9520, 10336, 10355, 10640, 11305, 12208, 12920, 12971, 14497, 14824, 15260, 16568, 17440, 18088, 18530, 19040, 20672, 20710, 21280, 22610, 24416, 25840, 25942, 28994, 29648, 30520, 33136, 34880, 35207, 36176, 37060, 38080, 41420, 42560, 45220, 48832, 51680, 51884, 57988, 59296, 61040, 64855, 66272, 70414, 72352, 72485, 74120, 82840, 90440, 103360, 103768, 115976, 118592, 122080, 129710, 132544, 140828, 144704, 144970, 148240, 165680, 176035, 180880, 207536, 231952, 244160, 246449, 259420, 281656, 289940, 296480, 331360, 352070, 361760, 415072, 463904, 492898, 518840, 563312, 579880, 592960, 662720, 704140, 723520, 830144, 927808, 985796, 1037680, 1126624, 1159760, 1232245, 1408280, 1971592, 2075360, 2253248, 2319520, 2464490, 2816560, 3943184, 4150720, 4639040, 4928980, 5633120, 7886368, 9857960, 11266240, 15772736, 19715920, 39431840, 78863680]

約数ペア:

[(1, 78863680), (2, 39431840), (4, 19715920), (5, 15772736), (7, 11266240), (8, 9857960), (10, 7886368), (14, 5633120), (16, 4928980), (17, 4639040), (19, 4150720), (20, 3943184), (28, 2816560), (32, 2464490), (34, 2319520), (35, 2253248), (38, 2075360), (40, 1971592), (56, 1408280), (64, 1232245), (68, 1159760), (70, 1126624), (76, 1037680), (80, 985796), (85, 927808), (95, 830144), (109, 723520), (112, 704140), (119, 662720), (133, 592960), (136, 579880), (140, 563312), (152, 518840), (160, 492898), (170, 463904), (190, 415072), (218, 361760), (224, 352070), (238, 331360), (266, 296480), (272, 289940), (280, 281656), (304, 259420), (320, 246449), (323, 244160), (340, 231952), (380, 207536), (436, 180880), (448, 176035), (476, 165680), (532, 148240), (544, 144970), (545, 144704), (560, 140828), (595, 132544), (608, 129710), (646, 122080), (665, 118592), (680, 115976), (760, 103768), (763, 103360), (872, 90440), (952, 82840), (1064, 74120), (1088, 72485), (1090, 72352), (1120, 70414), (1190, 66272), (1216, 64855), (1292, 61040), (1330, 59296), (1360, 57988), (1520, 51884), (1526, 51680), (1615, 48832), (1744, 45220), (1853, 42560), (1904, 41420), (2071, 38080), (2128, 37060), (2180, 36176), (2240, 35207), (2261, 34880), (2380, 33136), (2584, 30520), (2660, 29648), (2720, 28994), (3040, 25942), (3052, 25840), (3230, 24416), (3488, 22610), (3706, 21280), (3808, 20710), (3815, 20672), (4142, 19040), (4256, 18530), (4360, 18088), (4522, 17440), (4760, 16568), (5168, 15260), (5320, 14824), (5440, 14497), (6080, 12971), (6104, 12920), (6460, 12208), (6976, 11305), (7412, 10640), (7616, 10355), (7630, 10336), (8284, 9520), (8512, 9265), (8720, 9044)]