1278754560

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:420

約数の個数: 288

約数和(自身を含む): 4585754880

約数和(自身を除く): 3307000320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 163, 180, 192, 216, 227, 240, 256, 270, 288, 320, 326, 360, 384, 432, 454, 480, 489, 540, 576, 640, 652, 681, 720, 768, 815, 864, 908, 960, 978, 1080, 1135, 1152, 1280, 1304, 1362, 1440, 1467, 1630, 1728, 1816, 1920, 1956, 2043, 2160, 2270, 2304, 2445, 2608, 2724, 2880, 2934, 3260, 3405, 3456, 3632, 3840, 3912, 4086, 4320, 4401, 4540, 4890, 5216, 5448, 5760, 5868, 6129, 6520, 6810, 6912, 7264, 7335, 7824, 8172, 8640, 8802, 9080, 9780, 10215, 10432, 10896, 11520, 11736, 12258, 13040, 13620, 14528, 14670, 15648, 16344, 17280, 17604, 18160, 19560, 20430, 20864, 21792, 22005, 23472, 24516, 26080, 27240, 29056, 29340, 30645, 31296, 32688, 34560, 35208, 36320, 37001, 39120, 40860, 41728, 43584, 44010, 46944, 49032, 52160, 54480, 58112, 58680, 61290, 62592, 65376, 70416, 72640, 74002, 78240, 81720, 87168, 88020, 93888, 98064, 104320, 108960, 111003, 117360, 122580, 125184, 130752, 140832, 145280, 148004, 156480, 163440, 174336, 176040, 185005, 187776, 196128, 208640, 217920, 222006, 234720, 245160, 261504, 281664, 290560, 296008, 312960, 326880, 333009, 352080, 370010, 375552, 392256, 435840, 444012, 469440, 490320, 523008, 555015, 563328, 592016, 625920, 653760, 666018, 704160, 740020, 784512, 871680, 888024, 938880, 980640, 999027, 1110030, 1126656, 1184032, 1307520, 1332036, 1408320, 1480040, 1569024, 1665045, 1776048, 1877760, 1961280, 1998054, 2220060, 2368064, 2615040, 2664072, 2816640, 2960080, 3330090, 3552096, 3922560, 3996108, 4440120, 4736128, 4995135, 5328144, 5633280, 5920160, 6660180, 7104192, 7845120, 7992216, 8880240, 9472256, 9990270, 10656288, 11840320, 13320360, 14208384, 15984432, 17760480, 19980540, 21312576, 23680640, 26640720, 28416768, 31968864, 35520960, 39961080, 42625152, 47361280, 53281440, 63937728, 71041920, 79922160, 85250304, 106562880, 127875456, 142083840, 159844320, 213125760, 255750912, 319688640, 426251520, 639377280, 1278754560]

約数ペア:

[(1, 1278754560), (2, 639377280), (3, 426251520), (4, 319688640), (5, 255750912), (6, 213125760), (8, 159844320), (9, 142083840), (10, 127875456), (12, 106562880), (15, 85250304), (16, 79922160), (18, 71041920), (20, 63937728), (24, 53281440), (27, 47361280), (30, 42625152), (32, 39961080), (36, 35520960), (40, 31968864), (45, 28416768), (48, 26640720), (54, 23680640), (60, 21312576), (64, 19980540), (72, 17760480), (80, 15984432), (90, 14208384), (96, 13320360), (108, 11840320), (120, 10656288), (128, 9990270), (135, 9472256), (144, 8880240), (160, 7992216), (163, 7845120), (180, 7104192), (192, 6660180), (216, 5920160), (227, 5633280), (240, 5328144), (256, 4995135), (270, 4736128), (288, 4440120), (320, 3996108), (326, 3922560), (360, 3552096), (384, 3330090), (432, 2960080), (454, 2816640), (480, 2664072), (489, 2615040), (540, 2368064), (576, 2220060), (640, 1998054), (652, 1961280), (681, 1877760), (720, 1776048), (768, 1665045), (815, 1569024), (864, 1480040), (908, 1408320), (960, 1332036), (978, 1307520), (1080, 1184032), (1135, 1126656), (1152, 1110030), (1280, 999027), (1304, 980640), (1362, 938880), (1440, 888024), (1467, 871680), (1630, 784512), (1728, 740020), (1816, 704160), (1920, 666018), (1956, 653760), (2043, 625920), (2160, 592016), (2270, 563328), (2304, 555015), (2445, 523008), (2608, 490320), (2724, 469440), (2880, 444012), (2934, 435840), (3260, 392256), (3405, 375552), (3456, 370010), (3632, 352080), (3840, 333009), (3912, 326880), (4086, 312960), (4320, 296008), (4401, 290560), (4540, 281664), (4890, 261504), (5216, 245160), (5448, 234720), (5760, 222006), (5868, 217920), (6129, 208640), (6520, 196128), (6810, 187776), (6912, 185005), (7264, 176040), (7335, 174336), (7824, 163440), (8172, 156480), (8640, 148004), (8802, 145280), (9080, 140832), (9780, 130752), (10215, 125184), (10432, 122580), (10896, 117360), (11520, 111003), (11736, 108960), (12258, 104320), (13040, 98064), (13620, 93888), (14528, 88020), (14670, 87168), (15648, 81720), (16344, 78240), (17280, 74002), (17604, 72640), (18160, 70416), (19560, 65376), (20430, 62592), (20864, 61290), (21792, 58680), (22005, 58112), (23472, 54480), (24516, 52160), (26080, 49032), (27240, 46944), (29056, 44010), (29340, 43584), (30645, 41728), (31296, 40860), (32688, 39120), (34560, 37001), (35208, 36320)]