31085320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1657}}^1$

素因数の和:1742

約数の個数: 64

約数和(自身を含む): 81175680

約数和(自身を除く): 50090360

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, 1657, 1876, 2345, 2680, 3314, 3752, 4690, 6628, 8285, 9380, 11599, 13256, 16570, 18760, 23198, 33140, 46396, 57995, 66280, 92792, 111019, 115990, 222038, 231980, 444076, 463960, 555095, 777133, 888152, 1110190, 1554266, 2220380, 3108532, 3885665, 4440760, 6217064, 7771330, 15542660, 31085320]

約数ペア:

[(1, 31085320), (2, 15542660), (4, 7771330), (5, 6217064), (7, 4440760), (8, 3885665), (10, 3108532), (14, 2220380), (20, 1554266), (28, 1110190), (35, 888152), (40, 777133), (56, 555095), (67, 463960), (70, 444076), (134, 231980), (140, 222038), (268, 115990), (280, 111019), (335, 92792), (469, 66280), (536, 57995), (670, 46396), (938, 33140), (1340, 23198), (1657, 18760), (1876, 16570), (2345, 13256), (2680, 11599), (3314, 9380), (3752, 8285), (4690, 6628)]