81663690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{11887}}^1$

素因数の和:12126

約数の個数: 32

約数和(自身を含む): 196865280

約数和(自身を除く): 115201590

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 229, 458, 687, 1145, 1374, 2290, 3435, 6870, 11887, 23774, 35661, 59435, 71322, 118870, 178305, 356610, 2722123, 5444246, 8166369, 13610615, 16332738, 27221230, 40831845, 81663690]

約数ペア:

[(1, 81663690), (2, 40831845), (3, 27221230), (5, 16332738), (6, 13610615), (10, 8166369), (15, 5444246), (30, 2722123), (229, 356610), (458, 178305), (687, 118870), (1145, 71322), (1374, 59435), (2290, 35661), (3435, 23774), (6870, 11887)]