78818280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{656819}}^1$

素因数の和:656833

約数の個数: 32

約数和(自身を含む): 236455200

約数和(自身を除く): 157636920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 656819, 1313638, 1970457, 2627276, 3284095, 3940914, 5254552, 6568190, 7881828, 9852285, 13136380, 15763656, 19704570, 26272760, 39409140, 78818280]

約数ペア:

[(1, 78818280), (2, 39409140), (3, 26272760), (4, 19704570), (5, 15763656), (6, 13136380), (8, 9852285), (10, 7881828), (12, 6568190), (15, 5254552), (20, 3940914), (24, 3284095), (30, 2627276), (40, 1970457), (60, 1313638), (120, 656819)]