72397728

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:407

約数の個数: 144

約数和(自身を含む): 226063656

約数和(自身を除く): 153665928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 61, 72, 78, 96, 104, 117, 122, 144, 156, 183, 208, 234, 244, 288, 312, 317, 366, 416, 468, 488, 549, 624, 634, 732, 793, 936, 951, 976, 1098, 1248, 1268, 1464, 1586, 1872, 1902, 1952, 2196, 2379, 2536, 2853, 2928, 3172, 3744, 3804, 4121, 4392, 4758, 5072, 5706, 5856, 6344, 7137, 7608, 8242, 8784, 9516, 10144, 11412, 12363, 12688, 14274, 15216, 16484, 17568, 19032, 19337, 22824, 24726, 25376, 28548, 30432, 32968, 37089, 38064, 38674, 45648, 49452, 57096, 58011, 65936, 74178, 76128, 77348, 91296, 98904, 114192, 116022, 131872, 148356, 154696, 174033, 197808, 228384, 232044, 251381, 296712, 309392, 348066, 395616, 464088, 502762, 593424, 618784, 696132, 754143, 928176, 1005524, 1186848, 1392264, 1508286, 1856352, 2011048, 2262429, 2784528, 3016572, 4022096, 4524858, 5569056, 6033144, 8044192, 9049716, 12066288, 18099432, 24132576, 36198864, 72397728]

約数ペア:

[(1, 72397728), (2, 36198864), (3, 24132576), (4, 18099432), (6, 12066288), (8, 9049716), (9, 8044192), (12, 6033144), (13, 5569056), (16, 4524858), (18, 4022096), (24, 3016572), (26, 2784528), (32, 2262429), (36, 2011048), (39, 1856352), (48, 1508286), (52, 1392264), (61, 1186848), (72, 1005524), (78, 928176), (96, 754143), (104, 696132), (117, 618784), (122, 593424), (144, 502762), (156, 464088), (183, 395616), (208, 348066), (234, 309392), (244, 296712), (288, 251381), (312, 232044), (317, 228384), (366, 197808), (416, 174033), (468, 154696), (488, 148356), (549, 131872), (624, 116022), (634, 114192), (732, 98904), (793, 91296), (936, 77348), (951, 76128), (976, 74178), (1098, 65936), (1248, 58011), (1268, 57096), (1464, 49452), (1586, 45648), (1872, 38674), (1902, 38064), (1952, 37089), (2196, 32968), (2379, 30432), (2536, 28548), (2853, 25376), (2928, 24726), (3172, 22824), (3744, 19337), (3804, 19032), (4121, 17568), (4392, 16484), (4758, 15216), (5072, 14274), (5706, 12688), (5856, 12363), (6344, 11412), (7137, 10144), (7608, 9516), (8242, 8784)]