90903680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 128

約数和(自身を含む): 252046080

約数和(自身を除く): 161142400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 103, 112, 128, 140, 160, 197, 206, 224, 280, 320, 394, 412, 448, 515, 560, 640, 721, 788, 824, 896, 985, 1030, 1120, 1379, 1442, 1576, 1648, 1970, 2060, 2240, 2758, 2884, 3152, 3296, 3605, 3940, 4120, 4480, 5516, 5768, 6304, 6592, 6895, 7210, 7880, 8240, 11032, 11536, 12608, 13184, 13790, 14420, 15760, 16480, 20291, 22064, 23072, 25216, 27580, 28840, 31520, 32960, 40582, 44128, 46144, 55160, 57680, 63040, 65920, 81164, 88256, 92288, 101455, 110320, 115360, 126080, 142037, 162328, 176512, 202910, 220640, 230720, 284074, 324656, 405820, 441280, 461440, 568148, 649312, 710185, 811640, 882560, 1136296, 1298624, 1420370, 1623280, 2272592, 2597248, 2840740, 3246560, 4545184, 5681480, 6493120, 9090368, 11362960, 12986240, 18180736, 22725920, 45451840, 90903680]

約数ペア:

[(1, 90903680), (2, 45451840), (4, 22725920), (5, 18180736), (7, 12986240), (8, 11362960), (10, 9090368), (14, 6493120), (16, 5681480), (20, 4545184), (28, 3246560), (32, 2840740), (35, 2597248), (40, 2272592), (56, 1623280), (64, 1420370), (70, 1298624), (80, 1136296), (103, 882560), (112, 811640), (128, 710185), (140, 649312), (160, 568148), (197, 461440), (206, 441280), (224, 405820), (280, 324656), (320, 284074), (394, 230720), (412, 220640), (448, 202910), (515, 176512), (560, 162328), (640, 142037), (721, 126080), (788, 115360), (824, 110320), (896, 101455), (985, 92288), (1030, 88256), (1120, 81164), (1379, 65920), (1442, 63040), (1576, 57680), (1648, 55160), (1970, 46144), (2060, 44128), (2240, 40582), (2758, 32960), (2884, 31520), (3152, 28840), (3296, 27580), (3605, 25216), (3940, 23072), (4120, 22064), (4480, 20291), (5516, 16480), (5768, 15760), (6304, 14420), (6592, 13790), (6895, 13184), (7210, 12608), (7880, 11536), (8240, 11032)]