71816280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1063}}^1$

素因数の和:1640

約数の個数: 64

約数和(自身を含む): 216034560

約数和(自身を除く): 144218280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 563, 1063, 1126, 1689, 2126, 2252, 2815, 3189, 3378, 4252, 4504, 5315, 5630, 6378, 6756, 8445, 8504, 10630, 11260, 12756, 13512, 15945, 16890, 21260, 22520, 25512, 31890, 33780, 42520, 63780, 67560, 127560, 598469, 1196938, 1795407, 2393876, 2992345, 3590814, 4787752, 5984690, 7181628, 8977035, 11969380, 14363256, 17954070, 23938760, 35908140, 71816280]

約数ペア:

[(1, 71816280), (2, 35908140), (3, 23938760), (4, 17954070), (5, 14363256), (6, 11969380), (8, 8977035), (10, 7181628), (12, 5984690), (15, 4787752), (20, 3590814), (24, 2992345), (30, 2393876), (40, 1795407), (60, 1196938), (120, 598469), (563, 127560), (1063, 67560), (1126, 63780), (1689, 42520), (2126, 33780), (2252, 31890), (2815, 25512), (3189, 22520), (3378, 21260), (4252, 16890), (4504, 15945), (5315, 13512), (5630, 12756), (6378, 11260), (6756, 10630), (8445, 8504)]