7991280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1009}}^1$

素因数の和:1039

約数の個数: 120

約数和(自身を含む): 29306160

約数和(自身を除く): 21314880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1009, 1320, 1584, 1980, 2018, 2640, 3027, 3960, 4036, 5045, 6054, 7920, 8072, 9081, 10090, 11099, 12108, 15135, 16144, 18162, 20180, 22198, 24216, 30270, 33297, 36324, 40360, 44396, 45405, 48432, 55495, 60540, 66594, 72648, 80720, 88792, 90810, 99891, 110990, 121080, 133188, 145296, 166485, 177584, 181620, 199782, 221980, 242160, 266376, 332970, 363240, 399564, 443960, 499455, 532752, 665940, 726480, 799128, 887920, 998910, 1331880, 1598256, 1997820, 2663760, 3995640, 7991280]

約数ペア:

[(1, 7991280), (2, 3995640), (3, 2663760), (4, 1997820), (5, 1598256), (6, 1331880), (8, 998910), (9, 887920), (10, 799128), (11, 726480), (12, 665940), (15, 532752), (16, 499455), (18, 443960), (20, 399564), (22, 363240), (24, 332970), (30, 266376), (33, 242160), (36, 221980), (40, 199782), (44, 181620), (45, 177584), (48, 166485), (55, 145296), (60, 133188), (66, 121080), (72, 110990), (80, 99891), (88, 90810), (90, 88792), (99, 80720), (110, 72648), (120, 66594), (132, 60540), (144, 55495), (165, 48432), (176, 45405), (180, 44396), (198, 40360), (220, 36324), (240, 33297), (264, 30270), (330, 24216), (360, 22198), (396, 20180), (440, 18162), (495, 16144), (528, 15135), (660, 12108), (720, 11099), (792, 10090), (880, 9081), (990, 8072), (1009, 7920), (1320, 6054), (1584, 5045), (1980, 4036), (2018, 3960), (2640, 3027)]