28683360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19919}}^1$

素因数の和:19940

約数の個数: 72

約数和(自身を含む): 97886880

約数和(自身を除く): 69203520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 19919, 39838, 59757, 79676, 99595, 119514, 159352, 179271, 199190, 239028, 298785, 318704, 358542, 398380, 478056, 597570, 637408, 717084, 796760, 896355, 956112, 1195140, 1434168, 1593520, 1792710, 1912224, 2390280, 2868336, 3187040, 3585420, 4780560, 5736672, 7170840, 9561120, 14341680, 28683360]

約数ペア:

[(1, 28683360), (2, 14341680), (3, 9561120), (4, 7170840), (5, 5736672), (6, 4780560), (8, 3585420), (9, 3187040), (10, 2868336), (12, 2390280), (15, 1912224), (16, 1792710), (18, 1593520), (20, 1434168), (24, 1195140), (30, 956112), (32, 896355), (36, 796760), (40, 717084), (45, 637408), (48, 597570), (60, 478056), (72, 398380), (80, 358542), (90, 318704), (96, 298785), (120, 239028), (144, 199190), (160, 179271), (180, 159352), (240, 119514), (288, 99595), (360, 79676), (480, 59757), (720, 39838), (1440, 19919)]