81762870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{55621}}^1$

素因数の和:55645

約数の個数: 48

約数和(自身を含む): 228272688

約数和(自身を除く): 146509818

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 55621, 111242, 166863, 278105, 333726, 389347, 556210, 778694, 834315, 1168041, 1668630, 1946735, 2336082, 2725429, 3893470, 5450858, 5840205, 8176287, 11680410, 13627145, 16352574, 27254290, 40881435, 81762870]

約数ペア:

[(1, 81762870), (2, 40881435), (3, 27254290), (5, 16352574), (6, 13627145), (7, 11680410), (10, 8176287), (14, 5840205), (15, 5450858), (21, 3893470), (30, 2725429), (35, 2336082), (42, 1946735), (49, 1668630), (70, 1168041), (98, 834315), (105, 778694), (147, 556210), (210, 389347), (245, 333726), (294, 278105), (490, 166863), (735, 111242), (1470, 55621)]