20105003520

素因数分解:

$2^9\times 3^{10}\times 5^1\times 7^1\times {\mathrm{19}}^1$

素因数の和:79

約数の個数: 880

約数和(自身を含む): 86985771840

約数和(自身を除く): 66880768320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 64, 70, 72, 76, 80, 81, 84, 90, 95, 96, 105, 108, 112, 114, 120, 126, 128, 133, 135, 140, 144, 152, 160, 162, 168, 171, 180, 189, 190, 192, 210, 216, 224, 228, 240, 243, 252, 256, 266, 270, 280, 285, 288, 304, 315, 320, 324, 336, 342, 360, 378, 380, 384, 399, 405, 420, 432, 448, 456, 480, 486, 504, 512, 513, 532, 540, 560, 567, 570, 576, 608, 630, 640, 648, 665, 672, 684, 720, 729, 756, 760, 768, 798, 810, 840, 855, 864, 896, 912, 945, 960, 972, 1008, 1026, 1064, 1080, 1120, 1134, 1140, 1152, 1197, 1215, 1216, 1260, 1280, 1296, 1330, 1344, 1368, 1440, 1458, 1512, 1520, 1536, 1539, 1596, 1620, 1680, 1701, 1710, 1728, 1792, 1824, 1890, 1920, 1944, 1995, 2016, 2052, 2128, 2160, 2187, 2240, 2268, 2280, 2304, 2394, 2430, 2432, 2520, 2560, 2565, 2592, 2660, 2688, 2736, 2835, 2880, 2916, 3024, 3040, 3078, 3192, 3240, 3360, 3402, 3420, 3456, 3584, 3591, 3645, 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38880, 39366, 40320, 40824, 41040, 41472, 41553, 42560, 43092, 43740, 43776, 45360, 45927, 46170, 46656, 47880, 48384, 48640, 49248, 51030, 51072, 51840, 52488, 53760, 53865, 54432, 54720, 55404, 57456, 58320, 59049, 60480, 61236, 61560, 62208, 63840, 64638, 65610, 65664, 68040, 68096, 69120, 69255, 69984, 71820, 72576, 72960, 73872, 76545, 76608, 77760, 78732, 80640, 81648, 82080, 83106, 85120, 86184, 87480, 87552, 90720, 91854, 92340, 93312, 95760, 96768, 96957, 98415, 98496, 102060, 102144, 103680, 104976, 107730, 108864, 109440, 110808, 114912, 116640, 118098, 120960, 122472, 123120, 124416, 124659, 127680, 129276, 131220, 131328, 136080, 137781, 138510, 139968, 143640, 145152, 145920, 147744, 153090, 153216, 155520, 157464, 161280, 161595, 163296, 164160, 166212, 170240, 172368, 174960, 181440, 183708, 184680, 186624, 191520, 193914, 196830, 196992, 204120, 204288, 207360, 207765, 209952, 215460, 217728, 218880, 221616, 229635, 229824, 233280, 236196, 241920, 244944, 246240, 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1469664, 1477440, 1495908, 1532160, 1551312, 1574640, 1632960, 1653372, 1662120, 1679616, 1723680, 1745226, 1772928, 1837080, 1838592, 1866240, 1869885, 1889568, 1939140, 1959552, 1969920, 1994544, 2066715, 2068416, 2099520, 2177280, 2204496, 2216160, 2243862, 2298240, 2326968, 2361960, 2363904, 2449440, 2493180, 2519424, 2585520, 2612736, 2617839, 2659392, 2755620, 2757888, 2799360, 2908710, 2939328, 2954880, 2991816, 3064320, 3102624, 3149280, 3265920, 3306744, 3324240, 3359232, 3447360, 3490452, 3545856, 3674160, 3739770, 3779136, 3878280, 3919104, 3939840, 3989088, 4133430, 4136832, 4199040, 4354560, 4363065, 4408992, 4432320, 4487724, 4596480, 4653936, 4723920, 4898880, 4986360, 5038848, 5171040, 5235678, 5318784, 5511240, 5515776, 5598720, 5609655, 5817420, 5878656, 5909760, 5983632, 6205248, 6298560, 6531840, 6613488, 6648480, 6894720, 6980904, 7091712, 7348320, 7479540, 7558272, 7756560, 7838208, 7853517, 7978176, 8266860, 8273664, 8398080, 8726130, 8817984, 8864640, 8975448, 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約数ペア:

[(1, 20105003520), (2, 10052501760), (3, 6701667840), (4, 5026250880), (5, 4021000704), (6, 3350833920), (7, 2872143360), (8, 2513125440), (9, 2233889280), (10, 2010500352), (12, 1675416960), (14, 1436071680), (15, 1340333568), (16, 1256562720), (18, 1116944640), (19, 1058158080), (20, 1005250176), (21, 957381120), (24, 837708480), (27, 744629760), (28, 718035840), (30, 670166784), (32, 628281360), (35, 574428672), (36, 558472320), (38, 529079040), (40, 502625088), (42, 478690560), (45, 446777856), (48, 418854240), (54, 372314880), (56, 359017920), (57, 352719360), (60, 335083392), (63, 319127040), (64, 314140680), (70, 287214336), (72, 279236160), (76, 264539520), (80, 251312544), (81, 248209920), (84, 239345280), (90, 223388928), (95, 211631616), (96, 209427120), (105, 191476224), (108, 186157440), (112, 179508960), (114, 176359680), (120, 167541696), (126, 159563520), (128, 157070340), (133, 151165440), (135, 148925952), (140, 143607168), (144, 139618080), (152, 132269760), (160, 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