661900960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{590983}}^1$

素因数の和:591005

約数の個数: 48

約数和(自身を含む): 1787135616

約数和(自身を除く): 1125234656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 590983, 1181966, 2363932, 2954915, 4136881, 4727864, 5909830, 8273762, 9455728, 11819660, 16547524, 18911456, 20684405, 23639320, 33095048, 41368810, 47278640, 66190096, 82737620, 94557280, 132380192, 165475240, 330950480, 661900960]

約数ペア:

[(1, 661900960), (2, 330950480), (4, 165475240), (5, 132380192), (7, 94557280), (8, 82737620), (10, 66190096), (14, 47278640), (16, 41368810), (20, 33095048), (28, 23639320), (32, 20684405), (35, 18911456), (40, 16547524), (56, 11819660), (70, 9455728), (80, 8273762), (112, 5909830), (140, 4727864), (160, 4136881), (224, 2954915), (280, 2363932), (560, 1181966), (1120, 590983)]