78848560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1367}}^1$

素因数の和:1490

約数の個数: 80

約数和(自身を含む): 211700736

約数和(自身を除く): 132852176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 824, 1030, 1367, 1442, 1648, 2060, 2734, 2884, 3605, 4120, 5468, 5768, 6835, 7210, 8240, 9569, 10936, 11536, 13670, 14420, 19138, 21872, 27340, 28840, 38276, 47845, 54680, 57680, 76552, 95690, 109360, 140801, 153104, 191380, 281602, 382760, 563204, 704005, 765520, 985607, 1126408, 1408010, 1971214, 2252816, 2816020, 3942428, 4928035, 5632040, 7884856, 9856070, 11264080, 15769712, 19712140, 39424280, 78848560]

約数ペア:

[(1, 78848560), (2, 39424280), (4, 19712140), (5, 15769712), (7, 11264080), (8, 9856070), (10, 7884856), (14, 5632040), (16, 4928035), (20, 3942428), (28, 2816020), (35, 2252816), (40, 1971214), (56, 1408010), (70, 1126408), (80, 985607), (103, 765520), (112, 704005), (140, 563204), (206, 382760), (280, 281602), (412, 191380), (515, 153104), (560, 140801), (721, 109360), (824, 95690), (1030, 76552), (1367, 57680), (1442, 54680), (1648, 47845), (2060, 38276), (2734, 28840), (2884, 27340), (3605, 21872), (4120, 19138), (5468, 14420), (5768, 13670), (6835, 11536), (7210, 10936), (8240, 9569)]