81263664

素因数分解:

$2^4\times 3^2\times {\mathrm{379}}^1\times {\mathrm{1489}}^1$

素因数の和:1882

約数の個数: 60

約数和(自身を含む): 228178600

約数和(自身を除く): 146914936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 379, 758, 1137, 1489, 1516, 2274, 2978, 3032, 3411, 4467, 4548, 5956, 6064, 6822, 8934, 9096, 11912, 13401, 13644, 17868, 18192, 23824, 26802, 27288, 35736, 53604, 54576, 71472, 107208, 214416, 564331, 1128662, 1692993, 2257324, 3385986, 4514648, 5078979, 6771972, 9029296, 10157958, 13543944, 20315916, 27087888, 40631832, 81263664]

約数ペア:

[(1, 81263664), (2, 40631832), (3, 27087888), (4, 20315916), (6, 13543944), (8, 10157958), (9, 9029296), (12, 6771972), (16, 5078979), (18, 4514648), (24, 3385986), (36, 2257324), (48, 1692993), (72, 1128662), (144, 564331), (379, 214416), (758, 107208), (1137, 71472), (1489, 54576), (1516, 53604), (2274, 35736), (2978, 27288), (3032, 26802), (3411, 23824), (4467, 18192), (4548, 17868), (5956, 13644), (6064, 13401), (6822, 11912), (8934, 9096)]