9945040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 120

約数和(自身を含む): 27989280

約数和(自身を除く): 18044240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 49, 56, 59, 70, 80, 86, 98, 112, 118, 140, 172, 196, 215, 236, 245, 280, 295, 301, 344, 392, 413, 430, 472, 490, 560, 590, 602, 688, 784, 826, 860, 944, 980, 1180, 1204, 1505, 1652, 1720, 1960, 2065, 2107, 2360, 2408, 2537, 2891, 3010, 3304, 3440, 3920, 4130, 4214, 4720, 4816, 5074, 5782, 6020, 6608, 8260, 8428, 10148, 10535, 11564, 12040, 12685, 14455, 16520, 16856, 17759, 20296, 21070, 23128, 24080, 25370, 28910, 33040, 33712, 35518, 40592, 42140, 46256, 50740, 57820, 71036, 84280, 88795, 101480, 115640, 124313, 142072, 168560, 177590, 202960, 231280, 248626, 284144, 355180, 497252, 621565, 710360, 994504, 1243130, 1420720, 1989008, 2486260, 4972520, 9945040]

約数ペア:

[(1, 9945040), (2, 4972520), (4, 2486260), (5, 1989008), (7, 1420720), (8, 1243130), (10, 994504), (14, 710360), (16, 621565), (20, 497252), (28, 355180), (35, 284144), (40, 248626), (43, 231280), (49, 202960), (56, 177590), (59, 168560), (70, 142072), (80, 124313), (86, 115640), (98, 101480), (112, 88795), (118, 84280), (140, 71036), (172, 57820), (196, 50740), (215, 46256), (236, 42140), (245, 40592), (280, 35518), (295, 33712), (301, 33040), (344, 28910), (392, 25370), (413, 24080), (430, 23128), (472, 21070), (490, 20296), (560, 17759), (590, 16856), (602, 16520), (688, 14455), (784, 12685), (826, 12040), (860, 11564), (944, 10535), (980, 10148), (1180, 8428), (1204, 8260), (1505, 6608), (1652, 6020), (1720, 5782), (1960, 5074), (2065, 4816), (2107, 4720), (2360, 4214), (2408, 4130), (2537, 3920), (2891, 3440), (3010, 3304)]