79800280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2767}}^1$

素因数の和:2888

約数の個数: 64

約数和(自身を含む): 207267840

約数和(自身を除く): 127467560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 412, 515, 721, 824, 1030, 1442, 2060, 2767, 2884, 3605, 4120, 5534, 5768, 7210, 11068, 13835, 14420, 19369, 22136, 27670, 28840, 38738, 55340, 77476, 96845, 110680, 154952, 193690, 285001, 387380, 570002, 774760, 1140004, 1425005, 1995007, 2280008, 2850010, 3990014, 5700020, 7980028, 9975035, 11400040, 15960056, 19950070, 39900140, 79800280]

約数ペア:

[(1, 79800280), (2, 39900140), (4, 19950070), (5, 15960056), (7, 11400040), (8, 9975035), (10, 7980028), (14, 5700020), (20, 3990014), (28, 2850010), (35, 2280008), (40, 1995007), (56, 1425005), (70, 1140004), (103, 774760), (140, 570002), (206, 387380), (280, 285001), (412, 193690), (515, 154952), (721, 110680), (824, 96845), (1030, 77476), (1442, 55340), (2060, 38738), (2767, 28840), (2884, 27670), (3605, 22136), (4120, 19369), (5534, 14420), (5768, 13835), (7210, 11068)]