68451520

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12583}}^1$

素因数の和:12617

約数の個数: 56

約数和(自身を含む): 172602144

約数和(自身を除く): 104150624

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 12583, 25166, 50332, 62915, 100664, 125830, 201328, 213911, 251660, 402656, 427822, 503320, 805312, 855644, 1006640, 1069555, 1711288, 2013280, 2139110, 3422576, 4026560, 4278220, 6845152, 8556440, 13690304, 17112880, 34225760, 68451520]

約数ペア:

[(1, 68451520), (2, 34225760), (4, 17112880), (5, 13690304), (8, 8556440), (10, 6845152), (16, 4278220), (17, 4026560), (20, 3422576), (32, 2139110), (34, 2013280), (40, 1711288), (64, 1069555), (68, 1006640), (80, 855644), (85, 805312), (136, 503320), (160, 427822), (170, 402656), (272, 251660), (320, 213911), (340, 201328), (544, 125830), (680, 100664), (1088, 62915), (1360, 50332), (2720, 25166), (5440, 12583)]