81580890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{63241}}^1$

素因数の和:63294

約数の個数: 32

約数和(自身を含む): 200350656

約数和(自身を除く): 118769766

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 63241, 126482, 189723, 316205, 379446, 632410, 948615, 1897230, 2719363, 5438726, 8158089, 13596815, 16316178, 27193630, 40790445, 81580890]

約数ペア:

[(1, 81580890), (2, 40790445), (3, 27193630), (5, 16316178), (6, 13596815), (10, 8158089), (15, 5438726), (30, 2719363), (43, 1897230), (86, 948615), (129, 632410), (215, 379446), (258, 316205), (430, 189723), (645, 126482), (1290, 63241)]