681317440

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{15541}}^1$

素因数の和:15695

約数の個数: 56

約数和(自身を含む): 1634334552

約数和(自身を除く): 953017112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 548, 685, 1096, 1370, 2192, 2740, 4384, 5480, 8768, 10960, 15541, 21920, 31082, 43840, 62164, 77705, 124328, 155410, 248656, 310820, 497312, 621640, 994624, 1243280, 2129117, 2486560, 4258234, 4973120, 8516468, 10645585, 17032936, 21291170, 34065872, 42582340, 68131744, 85164680, 136263488, 170329360, 340658720, 681317440]

約数ペア:

[(1, 681317440), (2, 340658720), (4, 170329360), (5, 136263488), (8, 85164680), (10, 68131744), (16, 42582340), (20, 34065872), (32, 21291170), (40, 17032936), (64, 10645585), (80, 8516468), (137, 4973120), (160, 4258234), (274, 2486560), (320, 2129117), (548, 1243280), (685, 994624), (1096, 621640), (1370, 497312), (2192, 310820), (2740, 248656), (4384, 155410), (5480, 124328), (8768, 77705), (10960, 62164), (15541, 43840), (21920, 31082)]