81439488

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2719}}^1$

素因数の和:2754

約数の個数: 108

約数和(自身を含む): 252965440

約数和(自身を除く): 171525952

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, 192, 208, 234, 256, 288, 312, 384, 416, 468, 576, 624, 768, 832, 936, 1152, 1248, 1664, 1872, 2304, 2496, 2719, 3328, 3744, 4992, 5438, 7488, 8157, 9984, 10876, 14976, 16314, 21752, 24471, 29952, 32628, 35347, 43504, 48942, 65256, 70694, 87008, 97884, 106041, 130512, 141388, 174016, 195768, 212082, 261024, 282776, 318123, 348032, 391536, 424164, 522048, 565552, 636246, 696064, 783072, 848328, 1044096, 1131104, 1272492, 1566144, 1696656, 2088192, 2262208, 2544984, 3132288, 3393312, 4524416, 5089968, 6264576, 6786624, 9048832, 10179936, 13573248, 20359872, 27146496, 40719744, 81439488]

約数ペア:

[(1, 81439488), (2, 40719744), (3, 27146496), (4, 20359872), (6, 13573248), (8, 10179936), (9, 9048832), (12, 6786624), (13, 6264576), (16, 5089968), (18, 4524416), (24, 3393312), (26, 3132288), (32, 2544984), (36, 2262208), (39, 2088192), (48, 1696656), (52, 1566144), (64, 1272492), (72, 1131104), (78, 1044096), (96, 848328), (104, 783072), (117, 696064), (128, 636246), (144, 565552), (156, 522048), (192, 424164), (208, 391536), (234, 348032), (256, 318123), (288, 282776), (312, 261024), (384, 212082), (416, 195768), (468, 174016), (576, 141388), (624, 130512), (768, 106041), (832, 97884), (936, 87008), (1152, 70694), (1248, 65256), (1664, 48942), (1872, 43504), (2304, 35347), (2496, 32628), (2719, 29952), (3328, 24471), (3744, 21752), (4992, 16314), (5438, 14976), (7488, 10876), (8157, 9984)]