78880960

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4651}}^1$

素因数の和:4721

約数の個数: 56

約数和(自身を含む): 191420496

約数和(自身を除く): 112539536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1696, 2120, 3392, 4240, 4651, 8480, 9302, 16960, 18604, 23255, 37208, 46510, 74416, 93020, 148832, 186040, 246503, 297664, 372080, 493006, 744160, 986012, 1232515, 1488320, 1972024, 2465030, 3944048, 4930060, 7888096, 9860120, 15776192, 19720240, 39440480, 78880960]

約数ペア:

[(1, 78880960), (2, 39440480), (4, 19720240), (5, 15776192), (8, 9860120), (10, 7888096), (16, 4930060), (20, 3944048), (32, 2465030), (40, 1972024), (53, 1488320), (64, 1232515), (80, 986012), (106, 744160), (160, 493006), (212, 372080), (265, 297664), (320, 246503), (424, 186040), (530, 148832), (848, 93020), (1060, 74416), (1696, 46510), (2120, 37208), (3392, 23255), (4240, 18604), (4651, 16960), (8480, 9302)]