1256920

素因数分解:

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

素因数の和:152

約数の個数: 48

約数和(自身を含む): 3281040

約数和(自身を除く): 2024120

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, 1876, 2345, 2680, 3752, 4489, 4690, 8978, 9380, 17956, 18760, 22445, 31423, 35912, 44890, 62846, 89780, 125692, 157115, 179560, 251384, 314230, 628460, 1256920]

約数ペア:

[(1, 1256920), (2, 628460), (4, 314230), (5, 251384), (7, 179560), (8, 157115), (10, 125692), (14, 89780), (20, 62846), (28, 44890), (35, 35912), (40, 31423), (56, 22445), (67, 18760), (70, 17956), (134, 9380), (140, 8978), (268, 4690), (280, 4489), (335, 3752), (469, 2680), (536, 2345), (670, 1876), (938, 1340)]