278514288

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:365

約数の個数: 200

約数和(自身を含む): 885596096

約数和(自身を除く): 607081808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 61, 72, 78, 81, 104, 108, 117, 122, 144, 156, 162, 183, 208, 216, 234, 244, 271, 312, 324, 351, 366, 432, 468, 488, 542, 549, 624, 648, 702, 732, 793, 813, 936, 976, 1053, 1084, 1098, 1296, 1404, 1464, 1586, 1626, 1647, 1872, 2106, 2168, 2196, 2379, 2439, 2808, 2928, 3172, 3252, 3294, 3523, 4212, 4336, 4392, 4758, 4878, 4941, 5616, 6344, 6504, 6588, 7046, 7137, 7317, 8424, 8784, 9516, 9756, 9882, 10569, 12688, 13008, 13176, 14092, 14274, 14634, 16531, 16848, 19032, 19512, 19764, 21138, 21411, 21951, 26352, 28184, 28548, 29268, 31707, 33062, 38064, 39024, 39528, 42276, 42822, 43902, 49593, 56368, 57096, 58536, 63414, 64233, 66124, 79056, 84552, 85644, 87804, 95121, 99186, 114192, 117072, 126828, 128466, 132248, 148779, 169104, 171288, 175608, 190242, 198372, 214903, 253656, 256932, 264496, 285363, 297558, 342576, 351216, 380484, 396744, 429806, 446337, 507312, 513864, 570726, 595116, 644709, 760968, 793488, 859612, 892674, 1027728, 1141452, 1190232, 1289418, 1339011, 1521936, 1719224, 1785348, 1934127, 2282904, 2380464, 2578836, 2678022, 3438448, 3570696, 3868254, 4565808, 5157672, 5356044, 5802381, 7141392, 7736508, 10315344, 10712088, 11604762, 15473016, 17407143, 21424176, 23209524, 30946032, 34814286, 46419048, 69628572, 92838096, 139257144, 278514288]

約数ペア:

[(1, 278514288), (2, 139257144), (3, 92838096), (4, 69628572), (6, 46419048), (8, 34814286), (9, 30946032), (12, 23209524), (13, 21424176), (16, 17407143), (18, 15473016), (24, 11604762), (26, 10712088), (27, 10315344), (36, 7736508), (39, 7141392), (48, 5802381), (52, 5356044), (54, 5157672), (61, 4565808), (72, 3868254), (78, 3570696), (81, 3438448), (104, 2678022), (108, 2578836), (117, 2380464), (122, 2282904), (144, 1934127), (156, 1785348), (162, 1719224), (183, 1521936), (208, 1339011), (216, 1289418), (234, 1190232), (244, 1141452), (271, 1027728), (312, 892674), (324, 859612), (351, 793488), (366, 760968), (432, 644709), (468, 595116), (488, 570726), (542, 513864), (549, 507312), (624, 446337), (648, 429806), (702, 396744), (732, 380484), (793, 351216), (813, 342576), (936, 297558), (976, 285363), (1053, 264496), (1084, 256932), (1098, 253656), (1296, 214903), (1404, 198372), (1464, 190242), (1586, 175608), (1626, 171288), (1647, 169104), (1872, 148779), (2106, 132248), (2168, 128466), (2196, 126828), (2379, 117072), (2439, 114192), (2808, 99186), (2928, 95121), (3172, 87804), (3252, 85644), (3294, 84552), (3523, 79056), (4212, 66124), (4336, 64233), (4392, 63414), (4758, 58536), (4878, 57096), (4941, 56368), (5616, 49593), (6344, 43902), (6504, 42822), (6588, 42276), (7046, 39528), (7137, 39024), (7317, 38064), (8424, 33062), (8784, 31707), (9516, 29268), (9756, 28548), (9882, 28184), (10569, 26352), (12688, 21951), (13008, 21411), (13176, 21138), (14092, 19764), (14274, 19512), (14634, 19032), (16531, 16848)]