68561680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4583}}^1$

素因数の和:4624

約数の個数: 80

約数和(自身を含む): 184166784

約数和(自身を除く): 115605104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 4583, 7480, 9166, 14960, 18332, 22915, 36664, 45830, 50413, 73328, 77911, 91660, 100826, 155822, 183320, 201652, 252065, 311644, 366640, 389555, 403304, 504130, 623288, 779110, 806608, 857021, 1008260, 1246576, 1558220, 1714042, 2016520, 3116440, 3428084, 4033040, 4285105, 6232880, 6856168, 8570210, 13712336, 17140420, 34280840, 68561680]

約数ペア:

[(1, 68561680), (2, 34280840), (4, 17140420), (5, 13712336), (8, 8570210), (10, 6856168), (11, 6232880), (16, 4285105), (17, 4033040), (20, 3428084), (22, 3116440), (34, 2016520), (40, 1714042), (44, 1558220), (55, 1246576), (68, 1008260), (80, 857021), (85, 806608), (88, 779110), (110, 623288), (136, 504130), (170, 403304), (176, 389555), (187, 366640), (220, 311644), (272, 252065), (340, 201652), (374, 183320), (440, 155822), (680, 100826), (748, 91660), (880, 77911), (935, 73328), (1360, 50413), (1496, 45830), (1870, 36664), (2992, 22915), (3740, 18332), (4583, 14960), (7480, 9166)]