81682440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97241}}^1$

素因数の和:97262

約数の個数: 64

約数和(自身を含む): 280056960

約数和(自身を除く): 198374520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 97241, 194482, 291723, 388964, 486205, 583446, 680687, 777928, 972410, 1166892, 1361374, 1458615, 1944820, 2042061, 2333784, 2722748, 2917230, 3403435, 3889640, 4084122, 5445496, 5834460, 6806870, 8168244, 10210305, 11668920, 13613740, 16336488, 20420610, 27227480, 40841220, 81682440]

約数ペア:

[(1, 81682440), (2, 40841220), (3, 27227480), (4, 20420610), (5, 16336488), (6, 13613740), (7, 11668920), (8, 10210305), (10, 8168244), (12, 6806870), (14, 5834460), (15, 5445496), (20, 4084122), (21, 3889640), (24, 3403435), (28, 2917230), (30, 2722748), (35, 2333784), (40, 2042061), (42, 1944820), (56, 1458615), (60, 1361374), (70, 1166892), (84, 972410), (105, 777928), (120, 680687), (140, 583446), (168, 486205), (210, 388964), (280, 291723), (420, 194482), (840, 97241)]