30771260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6229}}^1$

素因数の和:6270

約数の個数: 48

約数和(自身を含む): 73264800

約数和(自身を除く): 42493540

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 6229, 12458, 24916, 31145, 62290, 80977, 118351, 124580, 161954, 236702, 323908, 404885, 473404, 591755, 809770, 1183510, 1538563, 1619540, 2367020, 3077126, 6154252, 7692815, 15385630, 30771260]

約数ペア:

[(1, 30771260), (2, 15385630), (4, 7692815), (5, 6154252), (10, 3077126), (13, 2367020), (19, 1619540), (20, 1538563), (26, 1183510), (38, 809770), (52, 591755), (65, 473404), (76, 404885), (95, 323908), (130, 236702), (190, 161954), (247, 124580), (260, 118351), (380, 80977), (494, 62290), (988, 31145), (1235, 24916), (2470, 12458), (4940, 6229)]