215755488

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:391

約数の個数: 240

約数和(自身を含む): 721440720

約数和(自身を除く): 505685232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 32, 36, 38, 39, 48, 52, 54, 57, 72, 76, 78, 81, 96, 104, 108, 114, 117, 144, 152, 156, 162, 171, 208, 216, 228, 234, 247, 288, 304, 312, 324, 337, 342, 351, 416, 432, 456, 468, 494, 513, 608, 624, 648, 674, 684, 702, 741, 864, 912, 936, 988, 1011, 1026, 1053, 1248, 1296, 1348, 1368, 1404, 1482, 1539, 1824, 1872, 1976, 2022, 2052, 2106, 2223, 2592, 2696, 2736, 2808, 2964, 3033, 3078, 3744, 3952, 4044, 4104, 4212, 4381, 4446, 5392, 5472, 5616, 5928, 6066, 6156, 6403, 6669, 7904, 8088, 8208, 8424, 8762, 8892, 9099, 10784, 11232, 11856, 12132, 12312, 12806, 13143, 13338, 16176, 16416, 16848, 17524, 17784, 18198, 19209, 20007, 23712, 24264, 24624, 25612, 26286, 26676, 27297, 32352, 33696, 35048, 35568, 36396, 38418, 39429, 40014, 48528, 49248, 51224, 52572, 53352, 54594, 57627, 70096, 71136, 72792, 76836, 78858, 80028, 83239, 97056, 102448, 105144, 106704, 109188, 115254, 118287, 140192, 145584, 153672, 157716, 160056, 166478, 172881, 204896, 210288, 213408, 218376, 230508, 236574, 249717, 291168, 307344, 315432, 320112, 332956, 345762, 354861, 420576, 436752, 461016, 473148, 499434, 518643, 614688, 630864, 640224, 665912, 691524, 709722, 749151, 873504, 922032, 946296, 998868, 1037286, 1261728, 1331824, 1383048, 1419444, 1498302, 1844064, 1892592, 1997736, 2074572, 2247453, 2663648, 2766096, 2838888, 2996604, 3785184, 3995472, 4149144, 4494906, 5532192, 5677776, 5993208, 6742359, 7990944, 8298288, 8989812, 11355552, 11986416, 13484718, 16596576, 17979624, 23972832, 26969436, 35959248, 53938872, 71918496, 107877744, 215755488]

約数ペア:

[(1, 215755488), (2, 107877744), (3, 71918496), (4, 53938872), (6, 35959248), (8, 26969436), (9, 23972832), (12, 17979624), (13, 16596576), (16, 13484718), (18, 11986416), (19, 11355552), (24, 8989812), (26, 8298288), (27, 7990944), (32, 6742359), (36, 5993208), (38, 5677776), (39, 5532192), (48, 4494906), (52, 4149144), (54, 3995472), (57, 3785184), (72, 2996604), (76, 2838888), (78, 2766096), (81, 2663648), (96, 2247453), (104, 2074572), (108, 1997736), (114, 1892592), (117, 1844064), (144, 1498302), (152, 1419444), (156, 1383048), (162, 1331824), (171, 1261728), (208, 1037286), (216, 998868), (228, 946296), (234, 922032), (247, 873504), (288, 749151), (304, 709722), (312, 691524), (324, 665912), (337, 640224), (342, 630864), (351, 614688), (416, 518643), (432, 499434), (456, 473148), (468, 461016), (494, 436752), (513, 420576), (608, 354861), (624, 345762), (648, 332956), (674, 320112), (684, 315432), (702, 307344), (741, 291168), (864, 249717), (912, 236574), (936, 230508), (988, 218376), (1011, 213408), (1026, 210288), (1053, 204896), (1248, 172881), (1296, 166478), (1348, 160056), (1368, 157716), (1404, 153672), (1482, 145584), (1539, 140192), (1824, 118287), (1872, 115254), (1976, 109188), (2022, 106704), (2052, 105144), (2106, 102448), (2223, 97056), (2592, 83239), (2696, 80028), (2736, 78858), (2808, 76836), (2964, 72792), (3033, 71136), (3078, 70096), (3744, 57627), (3952, 54594), (4044, 53352), (4104, 52572), (4212, 51224), (4381, 49248), (4446, 48528), (5392, 40014), (5472, 39429), (5616, 38418), (5928, 36396), (6066, 35568), (6156, 35048), (6403, 33696), (6669, 32352), (7904, 27297), (8088, 26676), (8208, 26286), (8424, 25612), (8762, 24624), (8892, 24264), (9099, 23712), (10784, 20007), (11232, 19209), (11856, 18198), (12132, 17784), (12312, 17524), (12806, 16848), (13143, 16416), (13338, 16176)]