28166400

素因数分解:

$2^8\times 3^3\times 5^2\times {\mathrm{163}}^1$

素因数の和:198

約数の個数: 216

約数和(自身を含む): 103916960

約数和(自身を除く): 75750560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 128, 135, 144, 150, 160, 163, 180, 192, 200, 216, 225, 240, 256, 270, 288, 300, 320, 326, 360, 384, 400, 432, 450, 480, 489, 540, 576, 600, 640, 652, 675, 720, 768, 800, 815, 864, 900, 960, 978, 1080, 1152, 1200, 1280, 1304, 1350, 1440, 1467, 1600, 1630, 1728, 1800, 1920, 1956, 2160, 2304, 2400, 2445, 2608, 2700, 2880, 2934, 3200, 3260, 3456, 3600, 3840, 3912, 4075, 4320, 4401, 4800, 4890, 5216, 5400, 5760, 5868, 6400, 6520, 6912, 7200, 7335, 7824, 8150, 8640, 8802, 9600, 9780, 10432, 10800, 11520, 11736, 12225, 13040, 14400, 14670, 15648, 16300, 17280, 17604, 19200, 19560, 20864, 21600, 22005, 23472, 24450, 26080, 28800, 29340, 31296, 32600, 34560, 35208, 36675, 39120, 41728, 43200, 44010, 46944, 48900, 52160, 57600, 58680, 62592, 65200, 70416, 73350, 78240, 86400, 88020, 93888, 97800, 104320, 110025, 117360, 125184, 130400, 140832, 146700, 156480, 172800, 176040, 187776, 195600, 208640, 220050, 234720, 260800, 281664, 293400, 312960, 352080, 375552, 391200, 440100, 469440, 521600, 563328, 586800, 625920, 704160, 782400, 880200, 938880, 1043200, 1126656, 1173600, 1408320, 1564800, 1760400, 1877760, 2347200, 2816640, 3129600, 3520800, 4694400, 5633280, 7041600, 9388800, 14083200, 28166400]

約数ペア:

[(1, 28166400), (2, 14083200), (3, 9388800), (4, 7041600), (5, 5633280), (6, 4694400), (8, 3520800), (9, 3129600), (10, 2816640), (12, 2347200), (15, 1877760), (16, 1760400), (18, 1564800), (20, 1408320), (24, 1173600), (25, 1126656), (27, 1043200), (30, 938880), (32, 880200), (36, 782400), (40, 704160), (45, 625920), (48, 586800), (50, 563328), (54, 521600), (60, 469440), (64, 440100), (72, 391200), (75, 375552), (80, 352080), (90, 312960), (96, 293400), (100, 281664), (108, 260800), (120, 234720), (128, 220050), (135, 208640), (144, 195600), (150, 187776), (160, 176040), (163, 172800), (180, 156480), (192, 146700), (200, 140832), (216, 130400), (225, 125184), (240, 117360), (256, 110025), (270, 104320), (288, 97800), (300, 93888), (320, 88020), (326, 86400), (360, 78240), (384, 73350), (400, 70416), (432, 65200), (450, 62592), (480, 58680), (489, 57600), (540, 52160), (576, 48900), (600, 46944), (640, 44010), (652, 43200), (675, 41728), (720, 39120), (768, 36675), (800, 35208), (815, 34560), (864, 32600), (900, 31296), (960, 29340), (978, 28800), (1080, 26080), (1152, 24450), (1200, 23472), (1280, 22005), (1304, 21600), (1350, 20864), (1440, 19560), (1467, 19200), (1600, 17604), (1630, 17280), (1728, 16300), (1800, 15648), (1920, 14670), (1956, 14400), (2160, 13040), (2304, 12225), (2400, 11736), (2445, 11520), (2608, 10800), (2700, 10432), (2880, 9780), (2934, 9600), (3200, 8802), (3260, 8640), (3456, 8150), (3600, 7824), (3840, 7335), (3912, 7200), (4075, 6912), (4320, 6520), (4401, 6400), (4800, 5868), (4890, 5760), (5216, 5400)]