78416280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{217823}}^1$

素因数の和:217840

約数の個数: 48

約数和(自身を含む): 254854080

約数和(自身を除く): 176437800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 217823, 435646, 653469, 871292, 1089115, 1306938, 1742584, 1960407, 2178230, 2613876, 3267345, 3920814, 4356460, 5227752, 6534690, 7841628, 8712920, 9802035, 13069380, 15683256, 19604070, 26138760, 39208140, 78416280]

約数ペア:

[(1, 78416280), (2, 39208140), (3, 26138760), (4, 19604070), (5, 15683256), (6, 13069380), (8, 9802035), (9, 8712920), (10, 7841628), (12, 6534690), (15, 5227752), (18, 4356460), (20, 3920814), (24, 3267345), (30, 2613876), (36, 2178230), (40, 1960407), (45, 1742584), (60, 1306938), (72, 1089115), (90, 871292), (120, 653469), (180, 435646), (360, 217823)]