720650115

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41381}}^1$

素因数の和:41441

約数の個数: 40

約数和(自身を含む): 1321906608

約数和(自身を除く): 601256493

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1935, 3483, 5805, 17415, 41381, 124143, 206905, 372429, 620715, 1117287, 1779383, 1862145, 3351861, 5338149, 5586435, 8896915, 16014447, 16759305, 26690745, 48043341, 80072235, 144130023, 240216705, 720650115]

約数ペア:

[(1, 720650115), (3, 240216705), (5, 144130023), (9, 80072235), (15, 48043341), (27, 26690745), (43, 16759305), (45, 16014447), (81, 8896915), (129, 5586435), (135, 5338149), (215, 3351861), (387, 1862145), (405, 1779383), (645, 1117287), (1161, 620715), (1935, 372429), (3483, 206905), (5805, 124143), (17415, 41381)]