423454080

素因数分解:

$2^7\times 3^1\times 5^1\times 7^3\times {\mathrm{643}}^1$

素因数の和:686

約数の個数: 256

約数和(自身を含む): 1576512000

約数和(自身を除く): 1153057920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 343, 384, 392, 420, 448, 480, 490, 560, 588, 640, 643, 672, 686, 735, 784, 840, 896, 960, 980, 1029, 1120, 1176, 1286, 1344, 1372, 1470, 1568, 1680, 1715, 1920, 1929, 1960, 2058, 2240, 2352, 2572, 2688, 2744, 2940, 3136, 3215, 3360, 3430, 3858, 3920, 4116, 4480, 4501, 4704, 5144, 5145, 5488, 5880, 6272, 6430, 6720, 6860, 7716, 7840, 8232, 9002, 9408, 9645, 10288, 10290, 10976, 11760, 12860, 13440, 13503, 13720, 15432, 15680, 16464, 18004, 18816, 19290, 20576, 20580, 21952, 22505, 23520, 25720, 27006, 27440, 30864, 31360, 31507, 32928, 36008, 38580, 41152, 41160, 43904, 45010, 47040, 51440, 54012, 54880, 61728, 63014, 65856, 67515, 72016, 77160, 82304, 82320, 90020, 94080, 94521, 102880, 108024, 109760, 123456, 126028, 131712, 135030, 144032, 154320, 157535, 164640, 180040, 189042, 205760, 216048, 219520, 220549, 246912, 252056, 270060, 288064, 308640, 315070, 329280, 360080, 378084, 411520, 432096, 441098, 472605, 504112, 540120, 576128, 617280, 630140, 658560, 661647, 720160, 756168, 864192, 882196, 945210, 1008224, 1080240, 1102745, 1234560, 1260280, 1323294, 1440320, 1512336, 1728384, 1764392, 1890420, 2016448, 2160480, 2205490, 2520560, 2646588, 2880640, 3024672, 3308235, 3528784, 3780840, 4032896, 4320960, 4410980, 5041120, 5293176, 6049344, 6616470, 7057568, 7561680, 8641920, 8821960, 10082240, 10586352, 12098688, 13232940, 14115136, 15123360, 17643920, 20164480, 21172704, 26465880, 28230272, 30246720, 35287840, 42345408, 52931760, 60493440, 70575680, 84690816, 105863520, 141151360, 211727040, 423454080]

約数ペア:

[(1, 423454080), (2, 211727040), (3, 141151360), (4, 105863520), (5, 84690816), (6, 70575680), (7, 60493440), (8, 52931760), (10, 42345408), (12, 35287840), (14, 30246720), (15, 28230272), (16, 26465880), (20, 21172704), (21, 20164480), (24, 17643920), (28, 15123360), (30, 14115136), (32, 13232940), (35, 12098688), (40, 10586352), (42, 10082240), (48, 8821960), (49, 8641920), (56, 7561680), (60, 7057568), (64, 6616470), (70, 6049344), (80, 5293176), (84, 5041120), (96, 4410980), (98, 4320960), (105, 4032896), (112, 3780840), (120, 3528784), (128, 3308235), (140, 3024672), (147, 2880640), (160, 2646588), (168, 2520560), (192, 2205490), (196, 2160480), (210, 2016448), (224, 1890420), (240, 1764392), (245, 1728384), (280, 1512336), (294, 1440320), (320, 1323294), (336, 1260280), (343, 1234560), (384, 1102745), (392, 1080240), (420, 1008224), (448, 945210), (480, 882196), (490, 864192), (560, 756168), (588, 720160), (640, 661647), (643, 658560), (672, 630140), (686, 617280), (735, 576128), (784, 540120), (840, 504112), (896, 472605), (960, 441098), (980, 432096), (1029, 411520), (1120, 378084), (1176, 360080), (1286, 329280), (1344, 315070), (1372, 308640), (1470, 288064), (1568, 270060), (1680, 252056), (1715, 246912), (1920, 220549), (1929, 219520), (1960, 216048), (2058, 205760), (2240, 189042), (2352, 180040), (2572, 164640), (2688, 157535), (2744, 154320), (2940, 144032), (3136, 135030), (3215, 131712), (3360, 126028), (3430, 123456), (3858, 109760), (3920, 108024), (4116, 102880), (4480, 94521), (4501, 94080), (4704, 90020), (5144, 82320), (5145, 82304), (5488, 77160), (5880, 72016), (6272, 67515), (6430, 65856), (6720, 63014), (6860, 61728), (7716, 54880), (7840, 54012), (8232, 51440), (9002, 47040), (9408, 45010), (9645, 43904), (10288, 41160), (10290, 41152), (10976, 38580), (11760, 36008), (12860, 32928), (13440, 31507), (13503, 31360), (13720, 30864), (15432, 27440), (15680, 27006), (16464, 25720), (18004, 23520), (18816, 22505), (19290, 21952), (20576, 20580)]