220139280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{305749}}^1$

素因数の和:305768

約数の個数: 60

約数和(自身を含む): 739303500

約数和(自身を除く): 519164220

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, 305749, 611498, 917247, 1222996, 1528745, 1834494, 2445992, 2751741, 3057490, 3668988, 4586235, 4891984, 5503482, 6114980, 7337976, 9172470, 11006964, 12229960, 13758705, 14675952, 18344940, 22013928, 24459920, 27517410, 36689880, 44027856, 55034820, 73379760, 110069640, 220139280]

約数ペア:

[(1, 220139280), (2, 110069640), (3, 73379760), (4, 55034820), (5, 44027856), (6, 36689880), (8, 27517410), (9, 24459920), (10, 22013928), (12, 18344940), (15, 14675952), (16, 13758705), (18, 12229960), (20, 11006964), (24, 9172470), (30, 7337976), (36, 6114980), (40, 5503482), (45, 4891984), (48, 4586235), (60, 3668988), (72, 3057490), (80, 2751741), (90, 2445992), (120, 1834494), (144, 1528745), (180, 1222996), (240, 917247), (360, 611498), (720, 305749)]