216391968

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2051

約数の個数: 144

約数和(自身を含む): 685896120

約数和(自身を除く): 469504152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 29, 32, 36, 39, 48, 52, 58, 72, 78, 87, 96, 104, 116, 117, 144, 156, 174, 208, 232, 234, 261, 288, 312, 348, 377, 416, 464, 468, 522, 624, 696, 754, 928, 936, 1044, 1131, 1248, 1392, 1508, 1872, 1993, 2088, 2262, 2784, 3016, 3393, 3744, 3986, 4176, 4524, 5979, 6032, 6786, 7972, 8352, 9048, 11958, 12064, 13572, 15944, 17937, 18096, 23916, 25909, 27144, 31888, 35874, 36192, 47832, 51818, 54288, 57797, 63776, 71748, 77727, 95664, 103636, 108576, 115594, 143496, 155454, 173391, 191328, 207272, 231188, 233181, 286992, 310908, 346782, 414544, 462376, 466362, 520173, 573984, 621816, 693564, 751361, 829088, 924752, 932724, 1040346, 1243632, 1387128, 1502722, 1849504, 1865448, 2080692, 2254083, 2487264, 2774256, 3005444, 3730896, 4161384, 4508166, 5548512, 6010888, 6762249, 7461792, 8322768, 9016332, 12021776, 13524498, 16645536, 18032664, 24043552, 27048996, 36065328, 54097992, 72130656, 108195984, 216391968]

約数ペア:

[(1, 216391968), (2, 108195984), (3, 72130656), (4, 54097992), (6, 36065328), (8, 27048996), (9, 24043552), (12, 18032664), (13, 16645536), (16, 13524498), (18, 12021776), (24, 9016332), (26, 8322768), (29, 7461792), (32, 6762249), (36, 6010888), (39, 5548512), (48, 4508166), (52, 4161384), (58, 3730896), (72, 3005444), (78, 2774256), (87, 2487264), (96, 2254083), (104, 2080692), (116, 1865448), (117, 1849504), (144, 1502722), (156, 1387128), (174, 1243632), (208, 1040346), (232, 932724), (234, 924752), (261, 829088), (288, 751361), (312, 693564), (348, 621816), (377, 573984), (416, 520173), (464, 466362), (468, 462376), (522, 414544), (624, 346782), (696, 310908), (754, 286992), (928, 233181), (936, 231188), (1044, 207272), (1131, 191328), (1248, 173391), (1392, 155454), (1508, 143496), (1872, 115594), (1993, 108576), (2088, 103636), (2262, 95664), (2784, 77727), (3016, 71748), (3393, 63776), (3744, 57797), (3986, 54288), (4176, 51818), (4524, 47832), (5979, 36192), (6032, 35874), (6786, 31888), (7972, 27144), (8352, 25909), (9048, 23916), (11958, 18096), (12064, 17937), (13572, 15944)]