78718360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6857}}^1$

素因数の和:6916

約数の個数: 64

約数和(自身を含む): 207385920

約数和(自身を除く): 128667560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 6857, 11480, 13714, 27428, 34285, 47999, 54856, 68570, 95998, 137140, 191996, 239995, 274280, 281137, 383992, 479990, 562274, 959980, 1124548, 1405685, 1919960, 1967959, 2249096, 2811370, 3935918, 5622740, 7871836, 9839795, 11245480, 15743672, 19679590, 39359180, 78718360]

約数ペア:

[(1, 78718360), (2, 39359180), (4, 19679590), (5, 15743672), (7, 11245480), (8, 9839795), (10, 7871836), (14, 5622740), (20, 3935918), (28, 2811370), (35, 2249096), (40, 1967959), (41, 1919960), (56, 1405685), (70, 1124548), (82, 959980), (140, 562274), (164, 479990), (205, 383992), (280, 281137), (287, 274280), (328, 239995), (410, 191996), (574, 137140), (820, 95998), (1148, 68570), (1435, 54856), (1640, 47999), (2296, 34285), (2870, 27428), (5740, 13714), (6857, 11480)]