157980640

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{14737}}^1$

素因数の和:14819

約数の個数: 48

約数和(自身を含む): 378825552

約数和(自身を除く): 220844912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2144, 2680, 5360, 10720, 14737, 29474, 58948, 73685, 117896, 147370, 235792, 294740, 471584, 589480, 987379, 1178960, 1974758, 2357920, 3949516, 4936895, 7899032, 9873790, 15798064, 19747580, 31596128, 39495160, 78990320, 157980640]

約数ペア:

[(1, 157980640), (2, 78990320), (4, 39495160), (5, 31596128), (8, 19747580), (10, 15798064), (16, 9873790), (20, 7899032), (32, 4936895), (40, 3949516), (67, 2357920), (80, 1974758), (134, 1178960), (160, 987379), (268, 589480), (335, 471584), (536, 294740), (670, 235792), (1072, 147370), (1340, 117896), (2144, 73685), (2680, 58948), (5360, 29474), (10720, 14737)]