90115452

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{541}}^1\times {\mathrm{661}}^1$

素因数の和:1219

約数の個数: 72

約数和(自身を含む): 261209312

約数和(自身を除く): 171093860

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 541, 661, 1082, 1322, 1623, 1983, 2164, 2644, 3246, 3787, 3966, 4627, 4869, 5949, 6492, 7574, 7932, 9254, 9738, 11361, 11898, 13881, 15148, 18508, 19476, 22722, 23796, 27762, 34083, 41643, 45444, 55524, 68166, 83286, 136332, 166572, 357601, 715202, 1072803, 1430404, 2145606, 2503207, 3218409, 4291212, 5006414, 6436818, 7509621, 10012828, 12873636, 15019242, 22528863, 30038484, 45057726, 90115452]

約数ペア:

[(1, 90115452), (2, 45057726), (3, 30038484), (4, 22528863), (6, 15019242), (7, 12873636), (9, 10012828), (12, 7509621), (14, 6436818), (18, 5006414), (21, 4291212), (28, 3218409), (36, 2503207), (42, 2145606), (63, 1430404), (84, 1072803), (126, 715202), (252, 357601), (541, 166572), (661, 136332), (1082, 83286), (1322, 68166), (1623, 55524), (1983, 45444), (2164, 41643), (2644, 34083), (3246, 27762), (3787, 23796), (3966, 22722), (4627, 19476), (4869, 18508), (5949, 15148), (6492, 13881), (7574, 11898), (7932, 11361), (9254, 9738)]