80908245

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2069}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 155001600

約数和(自身を除く): 74093355

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 79, 99, 165, 237, 395, 495, 711, 869, 1185, 2069, 2607, 3555, 4345, 6207, 7821, 10345, 13035, 18621, 22759, 31035, 39105, 68277, 93105, 113795, 163451, 204831, 341385, 490353, 817255, 1024155, 1471059, 1797961, 2451765, 5393883, 7355295, 8989805, 16181649, 26969415, 80908245]

約数ペア:

[(1, 80908245), (3, 26969415), (5, 16181649), (9, 8989805), (11, 7355295), (15, 5393883), (33, 2451765), (45, 1797961), (55, 1471059), (79, 1024155), (99, 817255), (165, 490353), (237, 341385), (395, 204831), (495, 163451), (711, 113795), (869, 93105), (1185, 68277), (2069, 39105), (2607, 31035), (3555, 22759), (4345, 18621), (6207, 13035), (7821, 10345)]