128542610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1131

約数の個数: 64

約数和(自身を含む): 282839040

約数和(自身を除く): 154296430

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 109, 119, 170, 218, 238, 545, 595, 763, 991, 1090, 1190, 1526, 1853, 1982, 3706, 3815, 4955, 6937, 7630, 9265, 9910, 12971, 13874, 16847, 18530, 25942, 33694, 34685, 64855, 69370, 84235, 108019, 117929, 129710, 168470, 216038, 235858, 540095, 589645, 756133, 1080190, 1179290, 1512266, 1836323, 3672646, 3780665, 7561330, 9181615, 12854261, 18363230, 25708522, 64271305, 128542610]

約数ペア:

[(1, 128542610), (2, 64271305), (5, 25708522), (7, 18363230), (10, 12854261), (14, 9181615), (17, 7561330), (34, 3780665), (35, 3672646), (70, 1836323), (85, 1512266), (109, 1179290), (119, 1080190), (170, 756133), (218, 589645), (238, 540095), (545, 235858), (595, 216038), (763, 168470), (991, 129710), (1090, 117929), (1190, 108019), (1526, 84235), (1853, 69370), (1982, 64855), (3706, 34685), (3815, 33694), (4955, 25942), (6937, 18530), (7630, 16847), (9265, 13874), (9910, 12971)]