73645720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 169905600

約数和(自身を除く): 96259880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 137, 151, 178, 274, 302, 356, 445, 548, 604, 685, 712, 755, 890, 1096, 1208, 1370, 1510, 1780, 2740, 3020, 3560, 5480, 6040, 12193, 13439, 20687, 24386, 26878, 41374, 48772, 53756, 60965, 67195, 82748, 97544, 103435, 107512, 121930, 134390, 165496, 206870, 243860, 268780, 413740, 487720, 537560, 827480, 1841143, 3682286, 7364572, 9205715, 14729144, 18411430, 36822860, 73645720]

約数ペア:

[(1, 73645720), (2, 36822860), (4, 18411430), (5, 14729144), (8, 9205715), (10, 7364572), (20, 3682286), (40, 1841143), (89, 827480), (137, 537560), (151, 487720), (178, 413740), (274, 268780), (302, 243860), (356, 206870), (445, 165496), (548, 134390), (604, 121930), (685, 107512), (712, 103435), (755, 97544), (890, 82748), (1096, 67195), (1208, 60965), (1370, 53756), (1510, 48772), (1780, 41374), (2740, 26878), (3020, 24386), (3560, 20687), (5480, 13439), (6040, 12193)]