71327680

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1627}}^1$

素因数の和:1781

約数の個数: 56

約数和(自身を含む): 171193968

約数和(自身を除く): 99866288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 548, 685, 1096, 1370, 1627, 2192, 2740, 3254, 4384, 5480, 6508, 8135, 8768, 10960, 13016, 16270, 21920, 26032, 32540, 43840, 52064, 65080, 104128, 130160, 222899, 260320, 445798, 520640, 891596, 1114495, 1783192, 2228990, 3566384, 4457980, 7132768, 8915960, 14265536, 17831920, 35663840, 71327680]

約数ペア:

[(1, 71327680), (2, 35663840), (4, 17831920), (5, 14265536), (8, 8915960), (10, 7132768), (16, 4457980), (20, 3566384), (32, 2228990), (40, 1783192), (64, 1114495), (80, 891596), (137, 520640), (160, 445798), (274, 260320), (320, 222899), (548, 130160), (685, 104128), (1096, 65080), (1370, 52064), (1627, 43840), (2192, 32540), (2740, 26032), (3254, 21920), (4384, 16270), (5480, 13016), (6508, 10960), (8135, 8768)]