80990208

素因数分解:

$2^{12}\times 3^2\times {\mathrm{13}}^3$

素因数の和:69

約数の個数: 156

約数和(自身を含む): 253429540

約数和(自身を除く): 172439332

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 169, 192, 208, 234, 256, 288, 312, 338, 384, 416, 468, 507, 512, 576, 624, 676, 768, 832, 936, 1014, 1024, 1152, 1248, 1352, 1521, 1536, 1664, 1872, 2028, 2048, 2197, 2304, 2496, 2704, 3042, 3072, 3328, 3744, 4056, 4096, 4394, 4608, 4992, 5408, 6084, 6144, 6591, 6656, 7488, 8112, 8788, 9216, 9984, 10816, 12168, 12288, 13182, 13312, 14976, 16224, 17576, 18432, 19773, 19968, 21632, 24336, 26364, 26624, 29952, 32448, 35152, 36864, 39546, 39936, 43264, 48672, 52728, 53248, 59904, 64896, 70304, 79092, 79872, 86528, 97344, 105456, 119808, 129792, 140608, 158184, 159744, 173056, 194688, 210912, 239616, 259584, 281216, 316368, 346112, 389376, 421824, 479232, 519168, 562432, 632736, 692224, 778752, 843648, 1038336, 1124864, 1265472, 1557504, 1687296, 2076672, 2249728, 2530944, 3115008, 3374592, 4499456, 5061888, 6230016, 6749184, 8998912, 10123776, 13498368, 20247552, 26996736, 40495104, 80990208]

約数ペア:

[(1, 80990208), (2, 40495104), (3, 26996736), (4, 20247552), (6, 13498368), (8, 10123776), (9, 8998912), (12, 6749184), (13, 6230016), (16, 5061888), (18, 4499456), (24, 3374592), (26, 3115008), (32, 2530944), (36, 2249728), (39, 2076672), (48, 1687296), (52, 1557504), (64, 1265472), (72, 1124864), (78, 1038336), (96, 843648), (104, 778752), (117, 692224), (128, 632736), (144, 562432), (156, 519168), (169, 479232), (192, 421824), (208, 389376), (234, 346112), (256, 316368), (288, 281216), (312, 259584), (338, 239616), (384, 210912), (416, 194688), (468, 173056), (507, 159744), (512, 158184), (576, 140608), (624, 129792), (676, 119808), (768, 105456), (832, 97344), (936, 86528), (1014, 79872), (1024, 79092), (1152, 70304), (1248, 64896), (1352, 59904), (1521, 53248), (1536, 52728), (1664, 48672), (1872, 43264), (2028, 39936), (2048, 39546), (2197, 36864), (2304, 35152), (2496, 32448), (2704, 29952), (3042, 26624), (3072, 26364), (3328, 24336), (3744, 21632), (4056, 19968), (4096, 19773), (4394, 18432), (4608, 17576), (4992, 16224), (5408, 14976), (6084, 13312), (6144, 13182), (6591, 12288), (6656, 12168), (7488, 10816), (8112, 9984), (8788, 9216)]