40740015

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{449}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 68428800

約数和(自身を除く): 27688785

約数列:

[1, 3, 5, 15, 23, 69, 115, 263, 345, 449, 789, 1315, 1347, 2245, 3945, 6049, 6735, 10327, 18147, 30245, 30981, 51635, 90735, 118087, 154905, 354261, 590435, 1771305, 2716001, 8148003, 13580005, 40740015]

約数ペア:

[(1, 40740015), (3, 13580005), (5, 8148003), (15, 2716001), (23, 1771305), (69, 590435), (115, 354261), (263, 154905), (345, 118087), (449, 90735), (789, 51635), (1315, 30981), (1347, 30245), (2245, 18147), (3945, 10327), (6049, 6735)]