80490690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{127763}}^1$

素因数の和:127783

約数の個数: 48

約数和(自身を含む): 239174208

約数和(自身を除く): 158683518

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 127763, 255526, 383289, 638815, 766578, 894341, 1149867, 1277630, 1788682, 1916445, 2299734, 2683023, 3832890, 4471705, 5366046, 5749335, 8049069, 8943410, 11498670, 13415115, 16098138, 26830230, 40245345, 80490690]

約数ペア:

[(1, 80490690), (2, 40245345), (3, 26830230), (5, 16098138), (6, 13415115), (7, 11498670), (9, 8943410), (10, 8049069), (14, 5749335), (15, 5366046), (18, 4471705), (21, 3832890), (30, 2683023), (35, 2299734), (42, 1916445), (45, 1788682), (63, 1277630), (70, 1149867), (90, 894341), (105, 766578), (126, 638815), (210, 383289), (315, 255526), (630, 127763)]