172285620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220879}}^1$

素因数の和:220904

約数の個数: 48

約数和(自身を含む): 519509760

約数和(自身を除く): 347224140

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, 220879, 441758, 662637, 883516, 1104395, 1325274, 2208790, 2650548, 2871427, 3313185, 4417580, 5742854, 6626370, 8614281, 11485708, 13252740, 14357135, 17228562, 28714270, 34457124, 43071405, 57428540, 86142810, 172285620]

約数ペア:

[(1, 172285620), (2, 86142810), (3, 57428540), (4, 43071405), (5, 34457124), (6, 28714270), (10, 17228562), (12, 14357135), (13, 13252740), (15, 11485708), (20, 8614281), (26, 6626370), (30, 5742854), (39, 4417580), (52, 3313185), (60, 2871427), (65, 2650548), (78, 2208790), (130, 1325274), (156, 1104395), (195, 883516), (260, 662637), (390, 441758), (780, 220879)]