78165920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:814

約数の個数: 96

約数和(自身を含む): 213446016

約数和(自身を除く): 135280096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 101, 112, 140, 160, 202, 224, 280, 404, 505, 560, 691, 707, 808, 1010, 1120, 1382, 1414, 1616, 2020, 2764, 2828, 3232, 3455, 3535, 4040, 4837, 5528, 5656, 6910, 7070, 8080, 9674, 11056, 11312, 13820, 14140, 16160, 19348, 22112, 22624, 24185, 27640, 28280, 38696, 48370, 55280, 56560, 69791, 77392, 96740, 110560, 113120, 139582, 154784, 193480, 279164, 348955, 386960, 488537, 558328, 697910, 773920, 977074, 1116656, 1395820, 1954148, 2233312, 2442685, 2791640, 3908296, 4885370, 5583280, 7816592, 9770740, 11166560, 15633184, 19541480, 39082960, 78165920]

約数ペア:

[(1, 78165920), (2, 39082960), (4, 19541480), (5, 15633184), (7, 11166560), (8, 9770740), (10, 7816592), (14, 5583280), (16, 4885370), (20, 3908296), (28, 2791640), (32, 2442685), (35, 2233312), (40, 1954148), (56, 1395820), (70, 1116656), (80, 977074), (101, 773920), (112, 697910), (140, 558328), (160, 488537), (202, 386960), (224, 348955), (280, 279164), (404, 193480), (505, 154784), (560, 139582), (691, 113120), (707, 110560), (808, 96740), (1010, 77392), (1120, 69791), (1382, 56560), (1414, 55280), (1616, 48370), (2020, 38696), (2764, 28280), (2828, 27640), (3232, 24185), (3455, 22624), (3535, 22112), (4040, 19348), (4837, 16160), (5528, 14140), (5656, 13820), (6910, 11312), (7070, 11056), (8080, 9674)]