12170820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2857}}^1$

素因数の和:2940

約数の個数: 48

約数和(自身を含む): 34570368

約数和(自身を除く): 22399548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 2857, 4260, 5714, 8571, 11428, 14285, 17142, 28570, 34284, 42855, 57140, 85710, 171420, 202847, 405694, 608541, 811388, 1014235, 1217082, 2028470, 2434164, 3042705, 4056940, 6085410, 12170820]

約数ペア:

[(1, 12170820), (2, 6085410), (3, 4056940), (4, 3042705), (5, 2434164), (6, 2028470), (10, 1217082), (12, 1014235), (15, 811388), (20, 608541), (30, 405694), (60, 202847), (71, 171420), (142, 85710), (213, 57140), (284, 42855), (355, 34284), (426, 28570), (710, 17142), (852, 14285), (1065, 11428), (1420, 8571), (2130, 5714), (2857, 4260)]