78181440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{81439}}^1$

素因数の和:81459

約数の個数: 56

約数和(自身を含む): 248229120

約数和(自身を除く): 170047680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 81439, 162878, 244317, 325756, 407195, 488634, 651512, 814390, 977268, 1221585, 1303024, 1628780, 1954536, 2443170, 2606048, 3257560, 3909072, 4886340, 5212096, 6515120, 7818144, 9772680, 13030240, 15636288, 19545360, 26060480, 39090720, 78181440]

約数ペア:

[(1, 78181440), (2, 39090720), (3, 26060480), (4, 19545360), (5, 15636288), (6, 13030240), (8, 9772680), (10, 7818144), (12, 6515120), (15, 5212096), (16, 4886340), (20, 3909072), (24, 3257560), (30, 2606048), (32, 2443170), (40, 1954536), (48, 1628780), (60, 1303024), (64, 1221585), (80, 977268), (96, 814390), (120, 651512), (160, 488634), (192, 407195), (240, 325756), (320, 244317), (480, 162878), (960, 81439)]