73438740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{407993}}^1$

素因数の和:408008

約数の個数: 36

約数和(自身を含む): 222764724

約数和(自身を除く): 149325984

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 407993, 815986, 1223979, 1631972, 2039965, 2447958, 3671937, 4079930, 4895916, 6119895, 7343874, 8159860, 12239790, 14687748, 18359685, 24479580, 36719370, 73438740]

約数ペア:

[(1, 73438740), (2, 36719370), (3, 24479580), (4, 18359685), (5, 14687748), (6, 12239790), (9, 8159860), (10, 7343874), (12, 6119895), (15, 4895916), (18, 4079930), (20, 3671937), (30, 2447958), (36, 2039965), (45, 1631972), (60, 1223979), (90, 815986), (180, 407993)]