81299712

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 247242240

約数和(自身を除く): 165942528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 64, 68, 78, 96, 102, 104, 128, 136, 156, 192, 204, 208, 221, 256, 272, 312, 384, 408, 416, 442, 479, 544, 624, 663, 768, 816, 832, 884, 958, 1088, 1248, 1326, 1437, 1632, 1664, 1768, 1916, 2176, 2496, 2652, 2874, 3264, 3328, 3536, 3832, 4352, 4992, 5304, 5748, 6227, 6528, 7072, 7664, 8143, 9984, 10608, 11496, 12454, 13056, 14144, 15328, 16286, 18681, 21216, 22992, 24429, 24908, 28288, 30656, 32572, 37362, 42432, 45984, 48858, 49816, 56576, 61312, 65144, 74724, 84864, 91968, 97716, 99632, 105859, 122624, 130288, 149448, 169728, 183936, 195432, 199264, 211718, 260576, 298896, 317577, 367872, 390864, 398528, 423436, 521152, 597792, 635154, 781728, 797056, 846872, 1042304, 1195584, 1270308, 1563456, 1594112, 1693744, 2084608, 2391168, 2540616, 3126912, 3387488, 4782336, 5081232, 6253824, 6774976, 10162464, 13549952, 20324928, 27099904, 40649856, 81299712]

約数ペア:

[(1, 81299712), (2, 40649856), (3, 27099904), (4, 20324928), (6, 13549952), (8, 10162464), (12, 6774976), (13, 6253824), (16, 5081232), (17, 4782336), (24, 3387488), (26, 3126912), (32, 2540616), (34, 2391168), (39, 2084608), (48, 1693744), (51, 1594112), (52, 1563456), (64, 1270308), (68, 1195584), (78, 1042304), (96, 846872), (102, 797056), (104, 781728), (128, 635154), (136, 597792), (156, 521152), (192, 423436), (204, 398528), (208, 390864), (221, 367872), (256, 317577), (272, 298896), (312, 260576), (384, 211718), (408, 199264), (416, 195432), (442, 183936), (479, 169728), (544, 149448), (624, 130288), (663, 122624), (768, 105859), (816, 99632), (832, 97716), (884, 91968), (958, 84864), (1088, 74724), (1248, 65144), (1326, 61312), (1437, 56576), (1632, 49816), (1664, 48858), (1768, 45984), (1916, 42432), (2176, 37362), (2496, 32572), (2652, 30656), (2874, 28288), (3264, 24908), (3328, 24429), (3536, 22992), (3832, 21216), (4352, 18681), (4992, 16286), (5304, 15328), (5748, 14144), (6227, 13056), (6528, 12454), (7072, 11496), (7664, 10608), (8143, 9984)]