31272920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1667}}^1$

素因数の和:1752

約数の個数: 64

約数和(自身を含む): 81665280

約数和(自身を除く): 50392360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1667, 1876, 2345, 2680, 3334, 3752, 4690, 6668, 8335, 9380, 11669, 13336, 16670, 18760, 23338, 33340, 46676, 58345, 66680, 93352, 111689, 116690, 223378, 233380, 446756, 466760, 558445, 781823, 893512, 1116890, 1563646, 2233780, 3127292, 3909115, 4467560, 6254584, 7818230, 15636460, 31272920]

約数ペア:

[(1, 31272920), (2, 15636460), (4, 7818230), (5, 6254584), (7, 4467560), (8, 3909115), (10, 3127292), (14, 2233780), (20, 1563646), (28, 1116890), (35, 893512), (40, 781823), (56, 558445), (67, 466760), (70, 446756), (134, 233380), (140, 223378), (268, 116690), (280, 111689), (335, 93352), (469, 66680), (536, 58345), (670, 46676), (938, 33340), (1340, 23338), (1667, 18760), (1876, 16670), (2345, 13336), (2680, 11669), (3334, 9380), (3752, 8335), (4690, 6668)]