80319680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1606

約数の個数: 112

約数和(自身を含む): 228234240

約数和(自身を除く): 147914560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 644, 736, 805, 920, 1120, 1288, 1472, 1559, 1610, 1840, 2240, 2576, 3118, 3220, 3680, 5152, 6236, 6440, 7360, 7795, 10304, 10913, 12472, 12880, 15590, 21826, 24944, 25760, 31180, 35857, 43652, 49888, 51520, 54565, 62360, 71714, 87304, 99776, 109130, 124720, 143428, 174608, 179285, 218260, 249440, 250999, 286856, 349216, 358570, 436520, 498880, 501998, 573712, 698432, 717140, 873040, 1003996, 1147424, 1254995, 1434280, 1746080, 2007992, 2294848, 2509990, 2868560, 3492160, 4015984, 5019980, 5737120, 8031968, 10039960, 11474240, 16063936, 20079920, 40159840, 80319680]

約数ペア:

[(1, 80319680), (2, 40159840), (4, 20079920), (5, 16063936), (7, 11474240), (8, 10039960), (10, 8031968), (14, 5737120), (16, 5019980), (20, 4015984), (23, 3492160), (28, 2868560), (32, 2509990), (35, 2294848), (40, 2007992), (46, 1746080), (56, 1434280), (64, 1254995), (70, 1147424), (80, 1003996), (92, 873040), (112, 717140), (115, 698432), (140, 573712), (160, 501998), (161, 498880), (184, 436520), (224, 358570), (230, 349216), (280, 286856), (320, 250999), (322, 249440), (368, 218260), (448, 179285), (460, 174608), (560, 143428), (644, 124720), (736, 109130), (805, 99776), (920, 87304), (1120, 71714), (1288, 62360), (1472, 54565), (1559, 51520), (1610, 49888), (1840, 43652), (2240, 35857), (2576, 31180), (3118, 25760), (3220, 24944), (3680, 21826), (5152, 15590), (6236, 12880), (6440, 12472), (7360, 10913), (7795, 10304)]