73217920

素因数分解:

$2^7\times 5^1\times {\mathrm{233}}^1\times {\mathrm{491}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 176145840

約数和(自身を除く): 102927920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 233, 320, 466, 491, 640, 932, 982, 1165, 1864, 1964, 2330, 2455, 3728, 3928, 4660, 4910, 7456, 7856, 9320, 9820, 14912, 15712, 18640, 19640, 29824, 31424, 37280, 39280, 62848, 74560, 78560, 114403, 149120, 157120, 228806, 314240, 457612, 572015, 915224, 1144030, 1830448, 2288060, 3660896, 4576120, 7321792, 9152240, 14643584, 18304480, 36608960, 73217920]

約数ペア:

[(1, 73217920), (2, 36608960), (4, 18304480), (5, 14643584), (8, 9152240), (10, 7321792), (16, 4576120), (20, 3660896), (32, 2288060), (40, 1830448), (64, 1144030), (80, 915224), (128, 572015), (160, 457612), (233, 314240), (320, 228806), (466, 157120), (491, 149120), (640, 114403), (932, 78560), (982, 74560), (1165, 62848), (1864, 39280), (1964, 37280), (2330, 31424), (2455, 29824), (3728, 19640), (3928, 18640), (4660, 15712), (4910, 14912), (7456, 9820), (7856, 9320)]