64656420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1077607}}^1$

素因数の和:1077619

約数の個数: 24

約数和(自身を含む): 181038144

約数和(自身を除く): 116381724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1077607, 2155214, 3232821, 4310428, 5388035, 6465642, 10776070, 12931284, 16164105, 21552140, 32328210, 64656420]

約数ペア:

[(1, 64656420), (2, 32328210), (3, 21552140), (4, 16164105), (5, 12931284), (6, 10776070), (10, 6465642), (12, 5388035), (15, 4310428), (20, 3232821), (30, 2155214), (60, 1077607)]