81917670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{38459}}^1$

素因数の和:38540

約数の個数: 32

約数和(自身を含む): 199376640

約数和(自身を除く): 117458970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 38459, 76918, 115377, 192295, 230754, 384590, 576885, 1153770, 2730589, 5461178, 8191767, 13652945, 16383534, 27305890, 40958835, 81917670]

約数ペア:

[(1, 81917670), (2, 40958835), (3, 27305890), (5, 16383534), (6, 13652945), (10, 8191767), (15, 5461178), (30, 2730589), (71, 1153770), (142, 576885), (213, 384590), (355, 230754), (426, 192295), (710, 115377), (1065, 76918), (2130, 38459)]