18516960

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1$

素因数の和:206

約数の個数: 288

約数和(自身を含む): 79252992

約数和(自身を除く): 60736032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 96, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 160, 165, 167, 168, 176, 180, 198, 210, 220, 224, 231, 240, 252, 264, 280, 288, 308, 315, 330, 334, 336, 352, 360, 385, 396, 420, 440, 462, 480, 495, 501, 504, 528, 560, 616, 630, 660, 668, 672, 693, 720, 770, 792, 835, 840, 880, 924, 990, 1002, 1008, 1056, 1120, 1155, 1169, 1232, 1260, 1320, 1336, 1386, 1440, 1503, 1540, 1584, 1670, 1680, 1760, 1837, 1848, 1980, 2004, 2016, 2310, 2338, 2464, 2505, 2520, 2640, 2672, 2772, 3006, 3080, 3168, 3340, 3360, 3465, 3507, 3674, 3696, 3960, 4008, 4620, 4676, 5010, 5040, 5280, 5344, 5511, 5544, 5845, 6012, 6160, 6680, 6930, 7014, 7348, 7392, 7515, 7920, 8016, 9185, 9240, 9352, 10020, 10080, 10521, 11022, 11088, 11690, 12024, 12320, 12859, 13360, 13860, 14028, 14696, 15030, 15840, 16032, 16533, 17535, 18370, 18480, 18704, 20040, 21042, 22044, 22176, 23380, 24048, 25718, 26720, 27555, 27720, 28056, 29392, 30060, 33066, 35070, 36740, 36960, 37408, 38577, 40080, 42084, 44088, 46760, 48096, 51436, 52605, 55110, 55440, 56112, 58784, 60120, 64295, 66132, 70140, 73480, 77154, 80160, 82665, 84168, 88176, 93520, 102872, 105210, 110220, 110880, 112224, 115731, 120240, 128590, 132264, 140280, 146960, 154308, 165330, 168336, 176352, 187040, 192885, 205744, 210420, 220440, 231462, 240480, 257180, 264528, 280560, 293920, 308616, 330660, 336672, 385770, 411488, 420840, 440880, 462924, 514360, 529056, 561120, 578655, 617232, 661320, 771540, 841680, 881760, 925848, 1028720, 1157310, 1234464, 1322640, 1543080, 1683360, 1851696, 2057440, 2314620, 2645280, 3086160, 3703392, 4629240, 6172320, 9258480, 18516960]

約数ペア:

[(1, 18516960), (2, 9258480), (3, 6172320), (4, 4629240), (5, 3703392), (6, 3086160), (7, 2645280), (8, 2314620), (9, 2057440), (10, 1851696), (11, 1683360), (12, 1543080), (14, 1322640), (15, 1234464), (16, 1157310), (18, 1028720), (20, 925848), (21, 881760), (22, 841680), (24, 771540), (28, 661320), (30, 617232), (32, 578655), (33, 561120), (35, 529056), (36, 514360), (40, 462924), (42, 440880), (44, 420840), (45, 411488), (48, 385770), (55, 336672), (56, 330660), (60, 308616), (63, 293920), (66, 280560), (70, 264528), (72, 257180), (77, 240480), (80, 231462), (84, 220440), (88, 210420), (90, 205744), (96, 192885), (99, 187040), (105, 176352), (110, 168336), (112, 165330), (120, 154308), (126, 146960), (132, 140280), (140, 132264), (144, 128590), (154, 120240), (160, 115731), (165, 112224), (167, 110880), (168, 110220), (176, 105210), (180, 102872), (198, 93520), (210, 88176), (220, 84168), (224, 82665), (231, 80160), (240, 77154), (252, 73480), (264, 70140), (280, 66132), (288, 64295), (308, 60120), (315, 58784), (330, 56112), (334, 55440), (336, 55110), (352, 52605), (360, 51436), (385, 48096), (396, 46760), (420, 44088), (440, 42084), (462, 40080), (480, 38577), (495, 37408), (501, 36960), (504, 36740), (528, 35070), (560, 33066), (616, 30060), (630, 29392), (660, 28056), (668, 27720), (672, 27555), (693, 26720), (720, 25718), (770, 24048), (792, 23380), (835, 22176), (840, 22044), (880, 21042), (924, 20040), (990, 18704), (1002, 18480), (1008, 18370), (1056, 17535), (1120, 16533), (1155, 16032), (1169, 15840), (1232, 15030), (1260, 14696), (1320, 14028), (1336, 13860), (1386, 13360), (1440, 12859), (1503, 12320), (1540, 12024), (1584, 11690), (1670, 11088), (1680, 11022), (1760, 10521), (1837, 10080), (1848, 10020), (1980, 9352), (2004, 9240), (2016, 9185), (2310, 8016), (2338, 7920), (2464, 7515), (2505, 7392), (2520, 7348), (2640, 7014), (2672, 6930), (2772, 6680), (3006, 6160), (3080, 6012), (3168, 5845), (3340, 5544), (3360, 5511), (3465, 5344), (3507, 5280), (3674, 5040), (3696, 5010), (3960, 4676), (4008, 4620)]