31111440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{129631}}^1$

素因数の和:129647

約数の個数: 40

約数和(自身を含む): 96446208

約数和(自身を除く): 65334768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 129631, 259262, 388893, 518524, 648155, 777786, 1037048, 1296310, 1555572, 1944465, 2074096, 2592620, 3111144, 3888930, 5185240, 6222288, 7777860, 10370480, 15555720, 31111440]

約数ペア:

[(1, 31111440), (2, 15555720), (3, 10370480), (4, 7777860), (5, 6222288), (6, 5185240), (8, 3888930), (10, 3111144), (12, 2592620), (15, 2074096), (16, 1944465), (20, 1555572), (24, 1296310), (30, 1037048), (40, 777786), (48, 648155), (60, 518524), (80, 388893), (120, 259262), (240, 129631)]