206891568

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:196

約数の個数: 240

約数和(自身を含む): 668915520

約数和(自身を除く): 462023952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 29, 36, 37, 39, 48, 52, 58, 72, 74, 78, 87, 103, 104, 111, 116, 117, 144, 148, 156, 174, 206, 208, 222, 232, 234, 261, 296, 309, 312, 333, 348, 377, 412, 444, 464, 468, 481, 522, 592, 618, 624, 666, 696, 754, 824, 888, 927, 936, 962, 1044, 1073, 1131, 1236, 1332, 1339, 1392, 1443, 1508, 1648, 1776, 1854, 1872, 1924, 2088, 2146, 2262, 2472, 2664, 2678, 2886, 2987, 3016, 3219, 3393, 3708, 3811, 3848, 4017, 4176, 4292, 4329, 4524, 4944, 5328, 5356, 5772, 5974, 6032, 6438, 6786, 7416, 7622, 7696, 8034, 8584, 8658, 8961, 9048, 9657, 10712, 11433, 11544, 11948, 12051, 12876, 13572, 13949, 14832, 15244, 16068, 17168, 17316, 17922, 18096, 19314, 21424, 22866, 23088, 23896, 24102, 25752, 26883, 27144, 27898, 30488, 32136, 34299, 34632, 35844, 38628, 38831, 41847, 45732, 47792, 48204, 49543, 51504, 53766, 54288, 55796, 60976, 64272, 68598, 69264, 71688, 77256, 77662, 83694, 91464, 96408, 99086, 107532, 110519, 111592, 116493, 125541, 137196, 143376, 148629, 154512, 155324, 167388, 182928, 192816, 198172, 215064, 221038, 223184, 232986, 251082, 274392, 297258, 310648, 331557, 334776, 349479, 396344, 430128, 442076, 445887, 465972, 502164, 548784, 594516, 621296, 663114, 669552, 698958, 792688, 884152, 891774, 931944, 994671, 1004328, 1189032, 1326228, 1397916, 1436747, 1768304, 1783548, 1863888, 1989342, 2008656, 2378064, 2652456, 2795832, 2873494, 3567096, 3978684, 4310241, 5304912, 5591664, 5746988, 7134192, 7957368, 8620482, 11493976, 12930723, 15914736, 17240964, 22987952, 25861446, 34481928, 51722892, 68963856, 103445784, 206891568]

約数ペア:

[(1, 206891568), (2, 103445784), (3, 68963856), (4, 51722892), (6, 34481928), (8, 25861446), (9, 22987952), (12, 17240964), (13, 15914736), (16, 12930723), (18, 11493976), (24, 8620482), (26, 7957368), (29, 7134192), (36, 5746988), (37, 5591664), (39, 5304912), (48, 4310241), (52, 3978684), (58, 3567096), (72, 2873494), (74, 2795832), (78, 2652456), (87, 2378064), (103, 2008656), (104, 1989342), (111, 1863888), (116, 1783548), (117, 1768304), (144, 1436747), (148, 1397916), (156, 1326228), (174, 1189032), (206, 1004328), (208, 994671), (222, 931944), (232, 891774), (234, 884152), (261, 792688), (296, 698958), (309, 669552), (312, 663114), (333, 621296), (348, 594516), (377, 548784), (412, 502164), (444, 465972), (464, 445887), (468, 442076), (481, 430128), (522, 396344), (592, 349479), (618, 334776), (624, 331557), (666, 310648), (696, 297258), (754, 274392), (824, 251082), (888, 232986), (927, 223184), (936, 221038), (962, 215064), (1044, 198172), (1073, 192816), (1131, 182928), (1236, 167388), (1332, 155324), (1339, 154512), (1392, 148629), (1443, 143376), (1508, 137196), (1648, 125541), (1776, 116493), (1854, 111592), (1872, 110519), (1924, 107532), (2088, 99086), (2146, 96408), (2262, 91464), (2472, 83694), (2664, 77662), (2678, 77256), (2886, 71688), (2987, 69264), (3016, 68598), (3219, 64272), (3393, 60976), (3708, 55796), (3811, 54288), (3848, 53766), (4017, 51504), (4176, 49543), (4292, 48204), (4329, 47792), (4524, 45732), (4944, 41847), (5328, 38831), (5356, 38628), (5772, 35844), (5974, 34632), (6032, 34299), (6438, 32136), (6786, 30488), (7416, 27898), (7622, 27144), (7696, 26883), (8034, 25752), (8584, 24102), (8658, 23896), (8961, 23088), (9048, 22866), (9657, 21424), (10712, 19314), (11433, 18096), (11544, 17922), (11948, 17316), (12051, 17168), (12876, 16068), (13572, 15244), (13949, 14832)]