66858540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{22741}}^1$

素因数の和:22767

約数の個数: 72

約数和(自身を含む): 217777392

約数和(自身を除く): 150918852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 22741, 45482, 68223, 90964, 113705, 136446, 159187, 227410, 272892, 318374, 341115, 454820, 477561, 636748, 682230, 795935, 955122, 1114309, 1364460, 1591870, 1910244, 2228618, 2387805, 3183740, 3342927, 4457236, 4775610, 5571545, 6685854, 9551220, 11143090, 13371708, 16714635, 22286180, 33429270, 66858540]

約数ペア:

[(1, 66858540), (2, 33429270), (3, 22286180), (4, 16714635), (5, 13371708), (6, 11143090), (7, 9551220), (10, 6685854), (12, 5571545), (14, 4775610), (15, 4457236), (20, 3342927), (21, 3183740), (28, 2387805), (30, 2228618), (35, 1910244), (42, 1591870), (49, 1364460), (60, 1114309), (70, 955122), (84, 795935), (98, 682230), (105, 636748), (140, 477561), (147, 454820), (196, 341115), (210, 318374), (245, 272892), (294, 227410), (420, 159187), (490, 136446), (588, 113705), (735, 90964), (980, 68223), (1470, 45482), (2940, 22741)]