81305520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{338773}}^1$

素因数の和:338789

約数の個数: 40

約数和(自身を含む): 252047856

約数和(自身を除く): 170742336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 338773, 677546, 1016319, 1355092, 1693865, 2032638, 2710184, 3387730, 4065276, 5081595, 5420368, 6775460, 8130552, 10163190, 13550920, 16261104, 20326380, 27101840, 40652760, 81305520]

約数ペア:

[(1, 81305520), (2, 40652760), (3, 27101840), (4, 20326380), (5, 16261104), (6, 13550920), (8, 10163190), (10, 8130552), (12, 6775460), (15, 5420368), (16, 5081595), (20, 4065276), (24, 3387730), (30, 2710184), (40, 2032638), (48, 1693865), (60, 1355092), (80, 1016319), (120, 677546), (240, 338773)]