19890960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1237}}^1$

素因数の和:1320

約数の個数: 80

約数和(自身を含む): 62632896

約数和(自身を除く): 42741936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 67, 80, 120, 134, 201, 240, 268, 335, 402, 536, 670, 804, 1005, 1072, 1237, 1340, 1608, 2010, 2474, 2680, 3216, 3711, 4020, 4948, 5360, 6185, 7422, 8040, 9896, 12370, 14844, 16080, 18555, 19792, 24740, 29688, 37110, 49480, 59376, 74220, 82879, 98960, 148440, 165758, 248637, 296880, 331516, 414395, 497274, 663032, 828790, 994548, 1243185, 1326064, 1657580, 1989096, 2486370, 3315160, 3978192, 4972740, 6630320, 9945480, 19890960]

約数ペア:

[(1, 19890960), (2, 9945480), (3, 6630320), (4, 4972740), (5, 3978192), (6, 3315160), (8, 2486370), (10, 1989096), (12, 1657580), (15, 1326064), (16, 1243185), (20, 994548), (24, 828790), (30, 663032), (40, 497274), (48, 414395), (60, 331516), (67, 296880), (80, 248637), (120, 165758), (134, 148440), (201, 98960), (240, 82879), (268, 74220), (335, 59376), (402, 49480), (536, 37110), (670, 29688), (804, 24740), (1005, 19792), (1072, 18555), (1237, 16080), (1340, 14844), (1608, 12370), (2010, 9896), (2474, 8040), (2680, 7422), (3216, 6185), (3711, 5360), (4020, 4948)]