81724380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1709}}^1$

素因数の和:2518

約数の個数: 48

約数和(自身を含む): 229249440

約数和(自身を除く): 147525060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 797, 1594, 1709, 2391, 3188, 3418, 3985, 4782, 5127, 6836, 7970, 8545, 9564, 10254, 11955, 15940, 17090, 20508, 23910, 25635, 34180, 47820, 51270, 102540, 1362073, 2724146, 4086219, 5448292, 6810365, 8172438, 13620730, 16344876, 20431095, 27241460, 40862190, 81724380]

約数ペア:

[(1, 81724380), (2, 40862190), (3, 27241460), (4, 20431095), (5, 16344876), (6, 13620730), (10, 8172438), (12, 6810365), (15, 5448292), (20, 4086219), (30, 2724146), (60, 1362073), (797, 102540), (1594, 51270), (1709, 47820), (2391, 34180), (3188, 25635), (3418, 23910), (3985, 20508), (4782, 17090), (5127, 15940), (6836, 11955), (7970, 10254), (8545, 9564)]