20163105840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{237997}}^1$

素因数の和:238366

約数の個数: 80

約数和(自身を含む): 62682961248

約数和(自身を除く): 42519855408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 353, 706, 1059, 1412, 1765, 2118, 2824, 3530, 4236, 5295, 5648, 7060, 8472, 10590, 14120, 16944, 21180, 28240, 42360, 84720, 237997, 475994, 713991, 951988, 1189985, 1427982, 1903976, 2379970, 2855964, 3569955, 3807952, 4759940, 5711928, 7139910, 9519880, 11423856, 14279820, 19039760, 28559640, 57119280, 84012941, 168025882, 252038823, 336051764, 420064705, 504077646, 672103528, 840129410, 1008155292, 1260194115, 1344207056, 1680258820, 2016310584, 2520388230, 3360517640, 4032621168, 5040776460, 6721035280, 10081552920, 20163105840]

約数ペア:

[(1, 20163105840), (2, 10081552920), (3, 6721035280), (4, 5040776460), (5, 4032621168), (6, 3360517640), (8, 2520388230), (10, 2016310584), (12, 1680258820), (15, 1344207056), (16, 1260194115), (20, 1008155292), (24, 840129410), (30, 672103528), (40, 504077646), (48, 420064705), (60, 336051764), (80, 252038823), (120, 168025882), (240, 84012941), (353, 57119280), (706, 28559640), (1059, 19039760), (1412, 14279820), (1765, 11423856), (2118, 9519880), (2824, 7139910), (3530, 5711928), (4236, 4759940), (5295, 3807952), (5648, 3569955), (7060, 2855964), (8472, 2379970), (10590, 1903976), (14120, 1427982), (16944, 1189985), (21180, 951988), (28240, 713991), (42360, 475994), (84720, 237997)]