157120405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 228614400

約数和(自身を除く): 71493995

約数列:

[1, 5, 13, 19, 29, 41, 65, 95, 107, 145, 205, 247, 377, 533, 535, 551, 779, 1189, 1235, 1391, 1885, 2033, 2665, 2755, 3103, 3895, 4387, 5945, 6955, 7163, 10127, 10165, 15457, 15515, 21935, 22591, 26429, 35815, 40339, 50635, 57031, 58957, 77285, 83353, 112955, 127223, 132145, 201695, 285155, 293683, 294785, 416765, 636115, 766441, 1083589, 1468415, 1653899, 2417237, 3832205, 5417945, 8269495, 12086185, 31424081, 157120405]

約数ペア:

[(1, 157120405), (5, 31424081), (13, 12086185), (19, 8269495), (29, 5417945), (41, 3832205), (65, 2417237), (95, 1653899), (107, 1468415), (145, 1083589), (205, 766441), (247, 636115), (377, 416765), (533, 294785), (535, 293683), (551, 285155), (779, 201695), (1189, 132145), (1235, 127223), (1391, 112955), (1885, 83353), (2033, 77285), (2665, 58957), (2755, 57031), (3103, 50635), (3895, 40339), (4387, 35815), (5945, 26429), (6955, 22591), (7163, 21935), (10127, 15515), (10165, 15457)]