90120016

素因数分解:

$2^4\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1619}}^1$

素因数の和:1712

約数の個数: 60

約数和(自身を含む): 206102880

約数和(自身を除く): 115982864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 71, 98, 112, 142, 196, 284, 392, 497, 568, 784, 994, 1136, 1619, 1988, 3238, 3479, 3976, 6476, 6958, 7952, 11333, 12952, 13916, 22666, 25904, 27832, 45332, 55664, 79331, 90664, 114949, 158662, 181328, 229898, 317324, 459796, 634648, 804643, 919592, 1269296, 1609286, 1839184, 3218572, 5632501, 6437144, 11265002, 12874288, 22530004, 45060008, 90120016]

約数ペア:

[(1, 90120016), (2, 45060008), (4, 22530004), (7, 12874288), (8, 11265002), (14, 6437144), (16, 5632501), (28, 3218572), (49, 1839184), (56, 1609286), (71, 1269296), (98, 919592), (112, 804643), (142, 634648), (196, 459796), (284, 317324), (392, 229898), (497, 181328), (568, 158662), (784, 114949), (994, 90664), (1136, 79331), (1619, 55664), (1988, 45332), (3238, 27832), (3479, 25904), (3976, 22666), (6476, 13916), (6958, 12952), (7952, 11333)]