8280840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 25061760

約数和(自身を除く): 16780920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151, 302, 453, 457, 604, 755, 906, 914, 1208, 1371, 1510, 1812, 1828, 2265, 2285, 2742, 3020, 3624, 3656, 4530, 4570, 5484, 6040, 6855, 9060, 9140, 10968, 13710, 18120, 18280, 27420, 54840, 69007, 138014, 207021, 276028, 345035, 414042, 552056, 690070, 828084, 1035105, 1380140, 1656168, 2070210, 2760280, 4140420, 8280840]

約数ペア:

[(1, 8280840), (2, 4140420), (3, 2760280), (4, 2070210), (5, 1656168), (6, 1380140), (8, 1035105), (10, 828084), (12, 690070), (15, 552056), (20, 414042), (24, 345035), (30, 276028), (40, 207021), (60, 138014), (120, 69007), (151, 54840), (302, 27420), (453, 18280), (457, 18120), (604, 13710), (755, 10968), (906, 9140), (914, 9060), (1208, 6855), (1371, 6040), (1510, 5484), (1812, 4570), (1828, 4530), (2265, 3656), (2285, 3624), (2742, 3020)]