65713920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 213148320

約数和(自身を除く): 147434400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 109, 120, 128, 157, 160, 192, 218, 240, 256, 314, 320, 327, 384, 436, 471, 480, 545, 628, 640, 654, 768, 785, 872, 942, 960, 1090, 1256, 1280, 1308, 1570, 1635, 1744, 1884, 1920, 2180, 2355, 2512, 2616, 3140, 3270, 3488, 3768, 3840, 4360, 4710, 5024, 5232, 6280, 6540, 6976, 7536, 8720, 9420, 10048, 10464, 12560, 13080, 13952, 15072, 17113, 17440, 18840, 20096, 20928, 25120, 26160, 27904, 30144, 34226, 34880, 37680, 40192, 41856, 50240, 51339, 52320, 60288, 68452, 69760, 75360, 83712, 85565, 100480, 102678, 104640, 120576, 136904, 139520, 150720, 171130, 200960, 205356, 209280, 256695, 273808, 301440, 342260, 410712, 418560, 513390, 547616, 602880, 684520, 821424, 1026780, 1095232, 1369040, 1642848, 2053560, 2190464, 2738080, 3285696, 4107120, 4380928, 5476160, 6571392, 8214240, 10952320, 13142784, 16428480, 21904640, 32856960, 65713920]

約数ペア:

[(1, 65713920), (2, 32856960), (3, 21904640), (4, 16428480), (5, 13142784), (6, 10952320), (8, 8214240), (10, 6571392), (12, 5476160), (15, 4380928), (16, 4107120), (20, 3285696), (24, 2738080), (30, 2190464), (32, 2053560), (40, 1642848), (48, 1369040), (60, 1095232), (64, 1026780), (80, 821424), (96, 684520), (109, 602880), (120, 547616), (128, 513390), (157, 418560), (160, 410712), (192, 342260), (218, 301440), (240, 273808), (256, 256695), (314, 209280), (320, 205356), (327, 200960), (384, 171130), (436, 150720), (471, 139520), (480, 136904), (545, 120576), (628, 104640), (640, 102678), (654, 100480), (768, 85565), (785, 83712), (872, 75360), (942, 69760), (960, 68452), (1090, 60288), (1256, 52320), (1280, 51339), (1308, 50240), (1570, 41856), (1635, 40192), (1744, 37680), (1884, 34880), (1920, 34226), (2180, 30144), (2355, 27904), (2512, 26160), (2616, 25120), (3140, 20928), (3270, 20096), (3488, 18840), (3768, 17440), (3840, 17113), (4360, 15072), (4710, 13952), (5024, 13080), (5232, 12560), (6280, 10464), (6540, 10048), (6976, 9420), (7536, 8720)]