39720870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{9007}}^1$

素因数の和:9034

約数の個数: 72

約数和(自身を含む): 120148704

約数和(自身を除く): 80427834

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 9007, 18014, 27021, 45035, 54042, 63049, 81063, 90070, 126098, 135105, 162126, 189147, 270210, 315245, 378294, 405315, 441343, 567441, 630490, 810630, 882686, 945735, 1134882, 1324029, 1891470, 2206715, 2648058, 2837205, 3972087, 4413430, 5674410, 6620145, 7944174, 13240290, 19860435, 39720870]

約数ペア:

[(1, 39720870), (2, 19860435), (3, 13240290), (5, 7944174), (6, 6620145), (7, 5674410), (9, 4413430), (10, 3972087), (14, 2837205), (15, 2648058), (18, 2206715), (21, 1891470), (30, 1324029), (35, 1134882), (42, 945735), (45, 882686), (49, 810630), (63, 630490), (70, 567441), (90, 441343), (98, 405315), (105, 378294), (126, 315245), (147, 270210), (210, 189147), (245, 162126), (294, 135105), (315, 126098), (441, 90070), (490, 81063), (630, 63049), (735, 54042), (882, 45035), (1470, 27021), (2205, 18014), (4410, 9007)]