78317880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4157}}^1$

素因数の和:4328

約数の個数: 64

約数和(自身を含む): 236507040

約数和(自身を除く): 158189160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4157, 4710, 6280, 8314, 9420, 12471, 16628, 18840, 20785, 24942, 33256, 41570, 49884, 62355, 83140, 99768, 124710, 166280, 249420, 498840, 652649, 1305298, 1957947, 2610596, 3263245, 3915894, 5221192, 6526490, 7831788, 9789735, 13052980, 15663576, 19579470, 26105960, 39158940, 78317880]

約数ペア:

[(1, 78317880), (2, 39158940), (3, 26105960), (4, 19579470), (5, 15663576), (6, 13052980), (8, 9789735), (10, 7831788), (12, 6526490), (15, 5221192), (20, 3915894), (24, 3263245), (30, 2610596), (40, 1957947), (60, 1305298), (120, 652649), (157, 498840), (314, 249420), (471, 166280), (628, 124710), (785, 99768), (942, 83140), (1256, 62355), (1570, 49884), (1884, 41570), (2355, 33256), (3140, 24942), (3768, 20785), (4157, 18840), (4710, 16628), (6280, 12471), (8314, 9420)]