162967740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208933}}^1$

素因数の和:208958

約数の個数: 48

約数和(自身を含む): 491412768

約数和(自身を除く): 328445028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 208933, 417866, 626799, 835732, 1044665, 1253598, 2089330, 2507196, 2716129, 3133995, 4178660, 5432258, 6267990, 8148387, 10864516, 12535980, 13580645, 16296774, 27161290, 32593548, 40741935, 54322580, 81483870, 162967740]

約数ペア:

[(1, 162967740), (2, 81483870), (3, 54322580), (4, 40741935), (5, 32593548), (6, 27161290), (10, 16296774), (12, 13580645), (13, 12535980), (15, 10864516), (20, 8148387), (26, 6267990), (30, 5432258), (39, 4178660), (52, 3133995), (60, 2716129), (65, 2507196), (78, 2089330), (130, 1253598), (156, 1044665), (195, 835732), (260, 626799), (390, 417866), (780, 208933)]