80781390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{897571}}^1$

素因数の和:897584

約数の個数: 24

約数和(自身を含む): 210031848

約数和(自身を除く): 129250458

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 897571, 1795142, 2692713, 4487855, 5385426, 8078139, 8975710, 13463565, 16156278, 26927130, 40390695, 80781390]

約数ペア:

[(1, 80781390), (2, 40390695), (3, 26927130), (5, 16156278), (6, 13463565), (9, 8975710), (10, 8078139), (15, 5385426), (18, 4487855), (30, 2692713), (45, 1795142), (90, 897571)]