1820960

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 4536000

約数和(自身を除く): 2715040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 599, 608, 760, 1198, 1520, 2396, 2995, 3040, 4792, 5990, 9584, 11381, 11980, 19168, 22762, 23960, 45524, 47920, 56905, 91048, 95840, 113810, 182096, 227620, 364192, 455240, 910480, 1820960]

約数ペア:

[(1, 1820960), (2, 910480), (4, 455240), (5, 364192), (8, 227620), (10, 182096), (16, 113810), (19, 95840), (20, 91048), (32, 56905), (38, 47920), (40, 45524), (76, 23960), (80, 22762), (95, 19168), (152, 11980), (160, 11381), (190, 9584), (304, 5990), (380, 4792), (599, 3040), (608, 2995), (760, 2396), (1198, 1520)]