221917680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{308219}}^1$

素因数の和:308238

約数の個数: 60

約数和(自身を含む): 745275960

約数和(自身を除く): 523358280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 308219, 616438, 924657, 1232876, 1541095, 1849314, 2465752, 2773971, 3082190, 3698628, 4623285, 4931504, 5547942, 6164380, 7397256, 9246570, 11095884, 12328760, 13869855, 14794512, 18493140, 22191768, 24657520, 27739710, 36986280, 44383536, 55479420, 73972560, 110958840, 221917680]

約数ペア:

[(1, 221917680), (2, 110958840), (3, 73972560), (4, 55479420), (5, 44383536), (6, 36986280), (8, 27739710), (9, 24657520), (10, 22191768), (12, 18493140), (15, 14794512), (16, 13869855), (18, 12328760), (20, 11095884), (24, 9246570), (30, 7397256), (36, 6164380), (40, 5547942), (45, 4931504), (48, 4623285), (60, 3698628), (72, 3082190), (80, 2773971), (90, 2465752), (120, 1849314), (144, 1541095), (180, 1232876), (240, 924657), (360, 616438), (720, 308219)]