156980019160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1025477}}^1$

素因数の和:1025620

約数の個数: 64

約数和(自身を含む): 365480359200

約数和(自身を除く): 208500340040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 172, 178, 215, 344, 356, 430, 445, 712, 860, 890, 1720, 1780, 3560, 3827, 7654, 15308, 19135, 30616, 38270, 76540, 153080, 1025477, 2050954, 4101908, 5127385, 8203816, 10254770, 20509540, 41019080, 44095511, 88191022, 91267453, 176382044, 182534906, 220477555, 352764088, 365069812, 440955110, 456337265, 730139624, 881910220, 912674530, 1763820440, 1825349060, 3650698120, 3924500479, 7849000958, 15698001916, 19622502395, 31396003832, 39245004790, 78490009580, 156980019160]

約数ペア:

[(1, 156980019160), (2, 78490009580), (4, 39245004790), (5, 31396003832), (8, 19622502395), (10, 15698001916), (20, 7849000958), (40, 3924500479), (43, 3650698120), (86, 1825349060), (89, 1763820440), (172, 912674530), (178, 881910220), (215, 730139624), (344, 456337265), (356, 440955110), (430, 365069812), (445, 352764088), (712, 220477555), (860, 182534906), (890, 176382044), (1720, 91267453), (1780, 88191022), (3560, 44095511), (3827, 41019080), (7654, 20509540), (15308, 10254770), (19135, 8203816), (30616, 5127385), (38270, 4101908), (76540, 2050954), (153080, 1025477)]