39689820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{709}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 120949920

約数和(自身を除く): 81260100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 622, 709, 933, 1244, 1418, 1555, 1866, 2127, 2799, 2836, 3110, 3545, 3732, 4254, 4665, 5598, 6220, 6381, 7090, 8508, 9330, 10635, 11196, 12762, 13995, 14180, 18660, 21270, 25524, 27990, 31905, 42540, 55980, 63810, 127620, 220499, 440998, 661497, 881996, 1102495, 1322994, 1984491, 2204990, 2645988, 3307485, 3968982, 4409980, 6614970, 7937964, 9922455, 13229940, 19844910, 39689820]

約数ペア:

[(1, 39689820), (2, 19844910), (3, 13229940), (4, 9922455), (5, 7937964), (6, 6614970), (9, 4409980), (10, 3968982), (12, 3307485), (15, 2645988), (18, 2204990), (20, 1984491), (30, 1322994), (36, 1102495), (45, 881996), (60, 661497), (90, 440998), (180, 220499), (311, 127620), (622, 63810), (709, 55980), (933, 42540), (1244, 31905), (1418, 27990), (1555, 25524), (1866, 21270), (2127, 18660), (2799, 14180), (2836, 13995), (3110, 12762), (3545, 11196), (3732, 10635), (4254, 9330), (4665, 8508), (5598, 7090), (6220, 6381)]