81638610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{2131}}^1$

素因数の和:3418

約数の個数: 32

約数和(自身を含む): 196178112

約数和(自身を除く): 114539502

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 1277, 2131, 2554, 3831, 4262, 6385, 6393, 7662, 10655, 12770, 12786, 19155, 21310, 31965, 38310, 63930, 2721287, 5442574, 8163861, 13606435, 16327722, 27212870, 40819305, 81638610]

約数ペア:

[(1, 81638610), (2, 40819305), (3, 27212870), (5, 16327722), (6, 13606435), (10, 8163861), (15, 5442574), (30, 2721287), (1277, 63930), (2131, 38310), (2554, 31965), (3831, 21310), (4262, 19155), (6385, 12786), (6393, 12770), (7662, 10655)]