81600420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{123637}}^1$

素因数の和:123660

約数の個数: 48

約数和(自身を含む): 249254208

約数和(自身を除く): 167653788

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 123637, 247274, 370911, 494548, 618185, 741822, 1236370, 1360007, 1483644, 1854555, 2472740, 2720014, 3709110, 4080021, 5440028, 6800035, 7418220, 8160042, 13600070, 16320084, 20400105, 27200140, 40800210, 81600420]

約数ペア:

[(1, 81600420), (2, 40800210), (3, 27200140), (4, 20400105), (5, 16320084), (6, 13600070), (10, 8160042), (11, 7418220), (12, 6800035), (15, 5440028), (20, 4080021), (22, 3709110), (30, 2720014), (33, 2472740), (44, 1854555), (55, 1483644), (60, 1360007), (66, 1236370), (110, 741822), (132, 618185), (165, 494548), (220, 370911), (330, 247274), (660, 123637)]