217587120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{906613}}^1$

素因数の和:906629

約数の個数: 40

約数和(自身を含む): 674520816

約数和(自身を除く): 456933696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 906613, 1813226, 2719839, 3626452, 4533065, 5439678, 7252904, 9066130, 10879356, 13599195, 14505808, 18132260, 21758712, 27198390, 36264520, 43517424, 54396780, 72529040, 108793560, 217587120]

約数ペア:

[(1, 217587120), (2, 108793560), (3, 72529040), (4, 54396780), (5, 43517424), (6, 36264520), (8, 27198390), (10, 21758712), (12, 18132260), (15, 14505808), (16, 13599195), (20, 10879356), (24, 9066130), (30, 7252904), (40, 5439678), (48, 4533065), (60, 3626452), (80, 2719839), (120, 1813226), (240, 906613)]