231978240

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1589

約数の個数: 216

約数和(自身を含む): 864918600

約数和(自身を除く): 632940360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 768, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1280, 1440, 1549, 1560, 1664, 1872, 1920, 2080, 2304, 2340, 2496, 2880, 3098, 3120, 3328, 3744, 3840, 4160, 4647, 4680, 4992, 5760, 6196, 6240, 7488, 7745, 8320, 9294, 9360, 9984, 11520, 12392, 12480, 13941, 14976, 15490, 16640, 18588, 18720, 20137, 23235, 24784, 24960, 27882, 29952, 30980, 37176, 37440, 40274, 46470, 49568, 49920, 55764, 60411, 61960, 69705, 74352, 74880, 80548, 92940, 99136, 100685, 111528, 120822, 123920, 139410, 148704, 149760, 161096, 181233, 185880, 198272, 201370, 223056, 241644, 247840, 278820, 297408, 302055, 322192, 362466, 371760, 396544, 402740, 446112, 483288, 495680, 557640, 594816, 604110, 644384, 724932, 743520, 805480, 892224, 906165, 966576, 991360, 1115280, 1189632, 1208220, 1288768, 1449864, 1487040, 1610960, 1784448, 1812330, 1933152, 1982720, 2230560, 2416440, 2577536, 2899728, 2974080, 3221920, 3568896, 3624660, 3866304, 4461120, 4832880, 5155072, 5799456, 5948160, 6443840, 7249320, 7732608, 8922240, 9665760, 11598912, 12887680, 14498640, 15465216, 17844480, 19331520, 23197824, 25775360, 28997280, 38663040, 46395648, 57994560, 77326080, 115989120, 231978240]

約数ペア:

[(1, 231978240), (2, 115989120), (3, 77326080), (4, 57994560), (5, 46395648), (6, 38663040), (8, 28997280), (9, 25775360), (10, 23197824), (12, 19331520), (13, 17844480), (15, 15465216), (16, 14498640), (18, 12887680), (20, 11598912), (24, 9665760), (26, 8922240), (30, 7732608), (32, 7249320), (36, 6443840), (39, 5948160), (40, 5799456), (45, 5155072), (48, 4832880), (52, 4461120), (60, 3866304), (64, 3624660), (65, 3568896), (72, 3221920), (78, 2974080), (80, 2899728), (90, 2577536), (96, 2416440), (104, 2230560), (117, 1982720), (120, 1933152), (128, 1812330), (130, 1784448), (144, 1610960), (156, 1487040), (160, 1449864), (180, 1288768), (192, 1208220), (195, 1189632), (208, 1115280), (234, 991360), (240, 966576), (256, 906165), (260, 892224), (288, 805480), (312, 743520), (320, 724932), (360, 644384), (384, 604110), (390, 594816), (416, 557640), (468, 495680), (480, 483288), (520, 446112), (576, 402740), (585, 396544), (624, 371760), (640, 362466), (720, 322192), (768, 302055), (780, 297408), (832, 278820), (936, 247840), (960, 241644), (1040, 223056), (1152, 201370), (1170, 198272), (1248, 185880), (1280, 181233), (1440, 161096), (1549, 149760), (1560, 148704), (1664, 139410), (1872, 123920), (1920, 120822), (2080, 111528), (2304, 100685), (2340, 99136), (2496, 92940), (2880, 80548), (3098, 74880), (3120, 74352), (3328, 69705), (3744, 61960), (3840, 60411), (4160, 55764), (4647, 49920), (4680, 49568), (4992, 46470), (5760, 40274), (6196, 37440), (6240, 37176), (7488, 30980), (7745, 29952), (8320, 27882), (9294, 24960), (9360, 24784), (9984, 23235), (11520, 20137), (12392, 18720), (12480, 18588), (13941, 16640), (14976, 15490)]