28661760

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{311}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 99655920

約数和(自身を除く): 70994160

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 311, 320, 360, 384, 480, 512, 576, 622, 640, 720, 768, 933, 960, 1024, 1152, 1244, 1280, 1440, 1536, 1555, 1866, 1920, 2048, 2304, 2488, 2560, 2799, 2880, 3072, 3110, 3732, 3840, 4608, 4665, 4976, 5120, 5598, 5760, 6144, 6220, 7464, 7680, 9216, 9330, 9952, 10240, 11196, 11520, 12440, 13995, 14928, 15360, 18432, 18660, 19904, 22392, 23040, 24880, 27990, 29856, 30720, 37320, 39808, 44784, 46080, 49760, 55980, 59712, 74640, 79616, 89568, 92160, 99520, 111960, 119424, 149280, 159232, 179136, 199040, 223920, 238848, 298560, 318464, 358272, 398080, 447840, 477696, 597120, 636928, 716544, 796160, 895680, 955392, 1194240, 1433088, 1592320, 1791360, 1910784, 2388480, 2866176, 3184640, 3582720, 4776960, 5732352, 7165440, 9553920, 14330880, 28661760]

約数ペア:

[(1, 28661760), (2, 14330880), (3, 9553920), (4, 7165440), (5, 5732352), (6, 4776960), (8, 3582720), (9, 3184640), (10, 2866176), (12, 2388480), (15, 1910784), (16, 1791360), (18, 1592320), (20, 1433088), (24, 1194240), (30, 955392), (32, 895680), (36, 796160), (40, 716544), (45, 636928), (48, 597120), (60, 477696), (64, 447840), (72, 398080), (80, 358272), (90, 318464), (96, 298560), (120, 238848), (128, 223920), (144, 199040), (160, 179136), (180, 159232), (192, 149280), (240, 119424), (256, 111960), (288, 99520), (311, 92160), (320, 89568), (360, 79616), (384, 74640), (480, 59712), (512, 55980), (576, 49760), (622, 46080), (640, 44784), (720, 39808), (768, 37320), (933, 30720), (960, 29856), (1024, 27990), (1152, 24880), (1244, 23040), (1280, 22392), (1440, 19904), (1536, 18660), (1555, 18432), (1866, 15360), (1920, 14928), (2048, 13995), (2304, 12440), (2488, 11520), (2560, 11196), (2799, 10240), (2880, 9952), (3072, 9330), (3110, 9216), (3732, 7680), (3840, 7464), (4608, 6220), (4665, 6144), (4976, 5760), (5120, 5598)]