221575680

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 240

約数和(自身を含む): 785172960

約数和(自身を除く): 563597280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 64, 72, 80, 90, 96, 118, 120, 128, 144, 160, 163, 177, 180, 192, 236, 240, 256, 288, 295, 320, 326, 354, 360, 384, 472, 480, 489, 512, 531, 576, 590, 640, 652, 708, 720, 768, 815, 885, 944, 960, 978, 1062, 1152, 1180, 1280, 1304, 1416, 1440, 1467, 1536, 1630, 1770, 1888, 1920, 1956, 2124, 2304, 2360, 2445, 2560, 2608, 2655, 2832, 2880, 2934, 3260, 3540, 3776, 3840, 3912, 4248, 4608, 4720, 4890, 5216, 5310, 5664, 5760, 5868, 6520, 7080, 7335, 7552, 7680, 7824, 8496, 9440, 9617, 9780, 10432, 10620, 11328, 11520, 11736, 13040, 14160, 14670, 15104, 15648, 16992, 18880, 19234, 19560, 20864, 21240, 22656, 23040, 23472, 26080, 28320, 28851, 29340, 30208, 31296, 33984, 37760, 38468, 39120, 41728, 42480, 45312, 46944, 48085, 52160, 56640, 57702, 58680, 62592, 67968, 75520, 76936, 78240, 83456, 84960, 86553, 90624, 93888, 96170, 104320, 113280, 115404, 117360, 125184, 135936, 144255, 151040, 153872, 156480, 169920, 173106, 187776, 192340, 208640, 226560, 230808, 234720, 250368, 271872, 288510, 307744, 312960, 339840, 346212, 375552, 384680, 417280, 432765, 453120, 461616, 469440, 577020, 615488, 625920, 679680, 692424, 751104, 769360, 865530, 923232, 938880, 1154040, 1230976, 1251840, 1359360, 1384848, 1538720, 1731060, 1846464, 1877760, 2308080, 2461952, 2769696, 3077440, 3462120, 3692928, 3755520, 4616160, 4923904, 5539392, 6154880, 6924240, 7385856, 9232320, 11078784, 12309760, 13848480, 14771712, 18464640, 22157568, 24619520, 27696960, 36929280, 44315136, 55393920, 73858560, 110787840, 221575680]

約数ペア:

[(1, 221575680), (2, 110787840), (3, 73858560), (4, 55393920), (5, 44315136), (6, 36929280), (8, 27696960), (9, 24619520), (10, 22157568), (12, 18464640), (15, 14771712), (16, 13848480), (18, 12309760), (20, 11078784), (24, 9232320), (30, 7385856), (32, 6924240), (36, 6154880), (40, 5539392), (45, 4923904), (48, 4616160), (59, 3755520), (60, 3692928), (64, 3462120), (72, 3077440), (80, 2769696), (90, 2461952), (96, 2308080), (118, 1877760), (120, 1846464), (128, 1731060), (144, 1538720), (160, 1384848), (163, 1359360), (177, 1251840), (180, 1230976), (192, 1154040), (236, 938880), (240, 923232), (256, 865530), (288, 769360), (295, 751104), (320, 692424), (326, 679680), (354, 625920), (360, 615488), (384, 577020), (472, 469440), (480, 461616), (489, 453120), (512, 432765), (531, 417280), (576, 384680), (590, 375552), (640, 346212), (652, 339840), (708, 312960), (720, 307744), (768, 288510), (815, 271872), (885, 250368), (944, 234720), (960, 230808), (978, 226560), (1062, 208640), (1152, 192340), (1180, 187776), (1280, 173106), (1304, 169920), (1416, 156480), (1440, 153872), (1467, 151040), (1536, 144255), (1630, 135936), (1770, 125184), (1888, 117360), (1920, 115404), (1956, 113280), (2124, 104320), (2304, 96170), (2360, 93888), (2445, 90624), (2560, 86553), (2608, 84960), (2655, 83456), (2832, 78240), (2880, 76936), (2934, 75520), (3260, 67968), (3540, 62592), (3776, 58680), (3840, 57702), (3912, 56640), (4248, 52160), (4608, 48085), (4720, 46944), (4890, 45312), (5216, 42480), (5310, 41728), (5664, 39120), (5760, 38468), (5868, 37760), (6520, 33984), (7080, 31296), (7335, 30208), (7552, 29340), (7680, 28851), (7824, 28320), (8496, 26080), (9440, 23472), (9617, 23040), (9780, 22656), (10432, 21240), (10620, 20864), (11328, 19560), (11520, 19234), (11736, 18880), (13040, 16992), (14160, 15648), (14670, 15104)]