81307320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{677561}}^1$

素因数の和:677575

約数の個数: 32

約数和(自身を含む): 243922320

約数和(自身を除く): 162615000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 677561, 1355122, 2032683, 2710244, 3387805, 4065366, 5420488, 6775610, 8130732, 10163415, 13551220, 16261464, 20326830, 27102440, 40653660, 81307320]

約数ペア:

[(1, 81307320), (2, 40653660), (3, 27102440), (4, 20326830), (5, 16261464), (6, 13551220), (8, 10163415), (10, 8130732), (12, 6775610), (15, 5420488), (20, 4065366), (24, 3387805), (30, 2710244), (40, 2032683), (60, 1355122), (120, 677561)]