79156480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 210155904

約数和(自身を除く): 130999424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 67, 71, 80, 104, 128, 130, 134, 142, 160, 208, 256, 260, 268, 284, 320, 335, 355, 416, 520, 536, 568, 640, 670, 710, 832, 871, 923, 1040, 1072, 1136, 1280, 1340, 1420, 1664, 1742, 1846, 2080, 2144, 2272, 2680, 2840, 3328, 3484, 3692, 4160, 4288, 4355, 4544, 4615, 4757, 5360, 5680, 6968, 7384, 8320, 8576, 8710, 9088, 9230, 9514, 10720, 11360, 13936, 14768, 16640, 17152, 17420, 18176, 18460, 19028, 21440, 22720, 23785, 27872, 29536, 34840, 36920, 38056, 42880, 45440, 47570, 55744, 59072, 61841, 69680, 73840, 76112, 85760, 90880, 95140, 111488, 118144, 123682, 139360, 147680, 152224, 190280, 222976, 236288, 247364, 278720, 295360, 304448, 309205, 380560, 494728, 557440, 590720, 608896, 618410, 761120, 989456, 1114880, 1181440, 1217792, 1236820, 1522240, 1978912, 2473640, 3044480, 3957824, 4947280, 6088960, 7915648, 9894560, 15831296, 19789120, 39578240, 79156480]

約数ペア:

[(1, 79156480), (2, 39578240), (4, 19789120), (5, 15831296), (8, 9894560), (10, 7915648), (13, 6088960), (16, 4947280), (20, 3957824), (26, 3044480), (32, 2473640), (40, 1978912), (52, 1522240), (64, 1236820), (65, 1217792), (67, 1181440), (71, 1114880), (80, 989456), (104, 761120), (128, 618410), (130, 608896), (134, 590720), (142, 557440), (160, 494728), (208, 380560), (256, 309205), (260, 304448), (268, 295360), (284, 278720), (320, 247364), (335, 236288), (355, 222976), (416, 190280), (520, 152224), (536, 147680), (568, 139360), (640, 123682), (670, 118144), (710, 111488), (832, 95140), (871, 90880), (923, 85760), (1040, 76112), (1072, 73840), (1136, 69680), (1280, 61841), (1340, 59072), (1420, 55744), (1664, 47570), (1742, 45440), (1846, 42880), (2080, 38056), (2144, 36920), (2272, 34840), (2680, 29536), (2840, 27872), (3328, 23785), (3484, 22720), (3692, 21440), (4160, 19028), (4288, 18460), (4355, 18176), (4544, 17420), (4615, 17152), (4757, 16640), (5360, 14768), (5680, 13936), (6968, 11360), (7384, 10720), (8320, 9514), (8576, 9230), (8710, 9088)]