80469370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 159096960

約数和(自身を除く): 78627590

約数列:

[1, 2, 5, 10, 19, 38, 53, 61, 95, 106, 122, 131, 190, 262, 265, 305, 530, 610, 655, 1007, 1159, 1310, 2014, 2318, 2489, 3233, 4978, 5035, 5795, 6466, 6943, 7991, 10070, 11590, 12445, 13886, 15982, 16165, 24890, 32330, 34715, 39955, 61427, 69430, 79910, 122854, 131917, 151829, 263834, 303658, 307135, 423523, 614270, 659585, 759145, 847046, 1319170, 1518290, 2117615, 4235230, 8046937, 16093874, 40234685, 80469370]

約数ペア:

[(1, 80469370), (2, 40234685), (5, 16093874), (10, 8046937), (19, 4235230), (38, 2117615), (53, 1518290), (61, 1319170), (95, 847046), (106, 759145), (122, 659585), (131, 614270), (190, 423523), (262, 307135), (265, 303658), (305, 263834), (530, 151829), (610, 131917), (655, 122854), (1007, 79910), (1159, 69430), (1310, 61427), (2014, 39955), (2318, 34715), (2489, 32330), (3233, 24890), (4978, 16165), (5035, 15982), (5795, 13886), (6466, 12445), (6943, 11590), (7991, 10070)]