120031180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{617}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 257898816

約数和(自身を除く): 137867636

約数列:

[1, 2, 4, 5, 10, 20, 71, 137, 142, 274, 284, 355, 548, 617, 685, 710, 1234, 1370, 1420, 2468, 2740, 3085, 6170, 9727, 12340, 19454, 38908, 43807, 48635, 84529, 87614, 97270, 169058, 175228, 194540, 219035, 338116, 422645, 438070, 845290, 876140, 1690580, 6001559, 12003118, 24006236, 30007795, 60015590, 120031180]

約数ペア:

[(1, 120031180), (2, 60015590), (4, 30007795), (5, 24006236), (10, 12003118), (20, 6001559), (71, 1690580), (137, 876140), (142, 845290), (274, 438070), (284, 422645), (355, 338116), (548, 219035), (617, 194540), (685, 175228), (710, 169058), (1234, 97270), (1370, 87614), (1420, 84529), (2468, 48635), (2740, 43807), (3085, 38908), (6170, 19454), (9727, 12340)]