2021061920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{15461}}^1$

素因数の和:15538

約数の個数: 96

約数和(自身を含む): 5143279680

約数和(自身を除く): 3122217760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 76, 80, 86, 95, 152, 160, 172, 190, 215, 304, 344, 380, 430, 608, 688, 760, 817, 860, 1376, 1520, 1634, 1720, 3040, 3268, 3440, 4085, 6536, 6880, 8170, 13072, 15461, 16340, 26144, 30922, 32680, 61844, 65360, 77305, 123688, 130720, 154610, 247376, 293759, 309220, 494752, 587518, 618440, 664823, 1175036, 1236880, 1329646, 1468795, 2350072, 2473760, 2659292, 2937590, 3324115, 4700144, 5318584, 5875180, 6648230, 9400288, 10637168, 11750360, 12631637, 13296460, 21274336, 23500720, 25263274, 26592920, 47001440, 50526548, 53185840, 63158185, 101053096, 106371680, 126316370, 202106192, 252632740, 404212384, 505265480, 1010530960, 2021061920]

約数ペア:

[(1, 2021061920), (2, 1010530960), (4, 505265480), (5, 404212384), (8, 252632740), (10, 202106192), (16, 126316370), (19, 106371680), (20, 101053096), (32, 63158185), (38, 53185840), (40, 50526548), (43, 47001440), (76, 26592920), (80, 25263274), (86, 23500720), (95, 21274336), (152, 13296460), (160, 12631637), (172, 11750360), (190, 10637168), (215, 9400288), (304, 6648230), (344, 5875180), (380, 5318584), (430, 4700144), (608, 3324115), (688, 2937590), (760, 2659292), (817, 2473760), (860, 2350072), (1376, 1468795), (1520, 1329646), (1634, 1236880), (1720, 1175036), (3040, 664823), (3268, 618440), (3440, 587518), (4085, 494752), (6536, 309220), (6880, 293759), (8170, 247376), (13072, 154610), (15461, 130720), (16340, 123688), (26144, 77305), (30922, 65360), (32680, 61844)]