153440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{137}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 417312

約数和(自身を除く): 263872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 137, 140, 160, 224, 274, 280, 548, 560, 685, 959, 1096, 1120, 1370, 1918, 2192, 2740, 3836, 4384, 4795, 5480, 7672, 9590, 10960, 15344, 19180, 21920, 30688, 38360, 76720, 153440]

約数ペア:

[(1, 153440), (2, 76720), (4, 38360), (5, 30688), (7, 21920), (8, 19180), (10, 15344), (14, 10960), (16, 9590), (20, 7672), (28, 5480), (32, 4795), (35, 4384), (40, 3836), (56, 2740), (70, 2192), (80, 1918), (112, 1370), (137, 1120), (140, 1096), (160, 959), (224, 685), (274, 560), (280, 548)]