156831920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2719}}^1$

素因数の和:2842

約数の個数: 80

約数和(自身を含む): 420925440

約数和(自身を除く): 264093520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 824, 1030, 1442, 1648, 2060, 2719, 2884, 3605, 4120, 5438, 5768, 7210, 8240, 10876, 11536, 13595, 14420, 19033, 21752, 27190, 28840, 38066, 43504, 54380, 57680, 76132, 95165, 108760, 152264, 190330, 217520, 280057, 304528, 380660, 560114, 761320, 1120228, 1400285, 1522640, 1960399, 2240456, 2800570, 3920798, 4480912, 5601140, 7841596, 9801995, 11202280, 15683192, 19603990, 22404560, 31366384, 39207980, 78415960, 156831920]

約数ペア:

[(1, 156831920), (2, 78415960), (4, 39207980), (5, 31366384), (7, 22404560), (8, 19603990), (10, 15683192), (14, 11202280), (16, 9801995), (20, 7841596), (28, 5601140), (35, 4480912), (40, 3920798), (56, 2800570), (70, 2240456), (80, 1960399), (103, 1522640), (112, 1400285), (140, 1120228), (206, 761320), (280, 560114), (412, 380660), (515, 304528), (560, 280057), (721, 217520), (824, 190330), (1030, 152264), (1442, 108760), (1648, 95165), (2060, 76132), (2719, 57680), (2884, 54380), (3605, 43504), (4120, 38066), (5438, 28840), (5768, 27190), (7210, 21752), (8240, 19033), (10876, 14420), (11536, 13595)]