180720064

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:486

約数の個数: 112

約数和(自身を含む): 442203840

約数和(自身を除く): 261483776

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 61, 64, 68, 112, 119, 122, 136, 224, 238, 244, 272, 389, 427, 448, 476, 488, 544, 778, 854, 952, 976, 1037, 1088, 1556, 1708, 1904, 1952, 2074, 2723, 3112, 3416, 3808, 3904, 4148, 5446, 6224, 6613, 6832, 7259, 7616, 8296, 10892, 12448, 13226, 13664, 14518, 16592, 21784, 23729, 24896, 26452, 27328, 29036, 33184, 43568, 46291, 47458, 52904, 58072, 66368, 87136, 92582, 94916, 105808, 116144, 166103, 174272, 185164, 189832, 211616, 232288, 332206, 370328, 379664, 403393, 423232, 464576, 664412, 740656, 759328, 806786, 1328824, 1481312, 1518656, 1613572, 2657648, 2823751, 2962624, 3227144, 5315296, 5647502, 6454288, 10630592, 11295004, 12908576, 22590008, 25817152, 45180016, 90360032, 180720064]

約数ペア:

[(1, 180720064), (2, 90360032), (4, 45180016), (7, 25817152), (8, 22590008), (14, 12908576), (16, 11295004), (17, 10630592), (28, 6454288), (32, 5647502), (34, 5315296), (56, 3227144), (61, 2962624), (64, 2823751), (68, 2657648), (112, 1613572), (119, 1518656), (122, 1481312), (136, 1328824), (224, 806786), (238, 759328), (244, 740656), (272, 664412), (389, 464576), (427, 423232), (448, 403393), (476, 379664), (488, 370328), (544, 332206), (778, 232288), (854, 211616), (952, 189832), (976, 185164), (1037, 174272), (1088, 166103), (1556, 116144), (1708, 105808), (1904, 94916), (1952, 92582), (2074, 87136), (2723, 66368), (3112, 58072), (3416, 52904), (3808, 47458), (3904, 46291), (4148, 43568), (5446, 33184), (6224, 29036), (6613, 27328), (6832, 26452), (7259, 24896), (7616, 23729), (8296, 21784), (10892, 16592), (12448, 14518), (13226, 13664)]