16438920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{136991}}^1$

素因数の和:137005

約数の個数: 32

約数和(自身を含む): 49317120

約数和(自身を除く): 32878200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 136991, 273982, 410973, 547964, 684955, 821946, 1095928, 1369910, 1643892, 2054865, 2739820, 3287784, 4109730, 5479640, 8219460, 16438920]

約数ペア:

[(1, 16438920), (2, 8219460), (3, 5479640), (4, 4109730), (5, 3287784), (6, 2739820), (8, 2054865), (10, 1643892), (12, 1369910), (15, 1095928), (20, 821946), (24, 684955), (30, 547964), (40, 410973), (60, 273982), (120, 136991)]