28789388640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19992631}}^1$

素因数の和:19992652

約数の個数: 72

約数和(自身を含む): 98243793648

約数和(自身を除く): 69454405008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 19992631, 39985262, 59977893, 79970524, 99963155, 119955786, 159941048, 179933679, 199926310, 239911572, 299889465, 319882096, 359867358, 399852620, 479823144, 599778930, 639764192, 719734716, 799705240, 899668395, 959646288, 1199557860, 1439469432, 1599410480, 1799336790, 1919292576, 2399115720, 2878938864, 3198820960, 3598673580, 4798231440, 5757877728, 7197347160, 9596462880, 14394694320, 28789388640]

約数ペア:

[(1, 28789388640), (2, 14394694320), (3, 9596462880), (4, 7197347160), (5, 5757877728), (6, 4798231440), (8, 3598673580), (9, 3198820960), (10, 2878938864), (12, 2399115720), (15, 1919292576), (16, 1799336790), (18, 1599410480), (20, 1439469432), (24, 1199557860), (30, 959646288), (32, 899668395), (36, 799705240), (40, 719734716), (45, 639764192), (48, 599778930), (60, 479823144), (72, 399852620), (80, 359867358), (90, 319882096), (96, 299889465), (120, 239911572), (144, 199926310), (160, 179933679), (180, 159941048), (240, 119955786), (288, 99963155), (360, 79970524), (480, 59977893), (720, 39985262), (1440, 19992631)]