66720115

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 107032320

約数和(自身を除く): 40312205

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 385, 539, 665, 931, 1045, 1303, 1463, 2695, 4655, 6515, 7315, 9121, 10241, 14333, 24757, 45605, 51205, 63847, 71665, 100331, 123785, 173299, 272327, 319235, 501655, 702317, 866495, 1213093, 1361635, 1906289, 3511585, 6065465, 9531445, 13344023, 66720115]

約数ペア:

[(1, 66720115), (5, 13344023), (7, 9531445), (11, 6065465), (19, 3511585), (35, 1906289), (49, 1361635), (55, 1213093), (77, 866495), (95, 702317), (133, 501655), (209, 319235), (245, 272327), (385, 173299), (539, 123785), (665, 100331), (931, 71665), (1045, 63847), (1303, 51205), (1463, 45605), (2695, 24757), (4655, 14333), (6515, 10241), (7315, 9121)]