39974940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{659}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 121801680

約数和(自身を除く): 81826740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 337, 659, 674, 1011, 1318, 1348, 1685, 1977, 2022, 2636, 3033, 3295, 3370, 3954, 4044, 5055, 5931, 6066, 6590, 6740, 7908, 9885, 10110, 11862, 12132, 13180, 15165, 19770, 20220, 23724, 29655, 30330, 39540, 59310, 60660, 118620, 222083, 444166, 666249, 888332, 1110415, 1332498, 1998747, 2220830, 2664996, 3331245, 3997494, 4441660, 6662490, 7994988, 9993735, 13324980, 19987470, 39974940]

約数ペア:

[(1, 39974940), (2, 19987470), (3, 13324980), (4, 9993735), (5, 7994988), (6, 6662490), (9, 4441660), (10, 3997494), (12, 3331245), (15, 2664996), (18, 2220830), (20, 1998747), (30, 1332498), (36, 1110415), (45, 888332), (60, 666249), (90, 444166), (180, 222083), (337, 118620), (659, 60660), (674, 59310), (1011, 39540), (1318, 30330), (1348, 29655), (1685, 23724), (1977, 20220), (2022, 19770), (2636, 15165), (3033, 13180), (3295, 12132), (3370, 11862), (3954, 10110), (4044, 9885), (5055, 7908), (5931, 6740), (6066, 6590)]