1287401220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1021747}}^1$

素因数の和:1021769

約数の個数: 72

約数和(自身を含む): 4462995264

約数和(自身を除く): 3175594044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1021747, 2043494, 3065241, 4086988, 5108735, 6130482, 7152229, 9195723, 10217470, 12260964, 14304458, 15326205, 18391446, 20434940, 21456687, 28608916, 30652410, 35761145, 36782892, 42913374, 45978615, 61304820, 64370061, 71522290, 85826748, 91957230, 107283435, 128740122, 143044580, 183914460, 214566870, 257480244, 321850305, 429133740, 643700610, 1287401220]

約数ペア:

[(1, 1287401220), (2, 643700610), (3, 429133740), (4, 321850305), (5, 257480244), (6, 214566870), (7, 183914460), (9, 143044580), (10, 128740122), (12, 107283435), (14, 91957230), (15, 85826748), (18, 71522290), (20, 64370061), (21, 61304820), (28, 45978615), (30, 42913374), (35, 36782892), (36, 35761145), (42, 30652410), (45, 28608916), (60, 21456687), (63, 20434940), (70, 18391446), (84, 15326205), (90, 14304458), (105, 12260964), (126, 10217470), (140, 9195723), (180, 7152229), (210, 6130482), (252, 5108735), (315, 4086988), (420, 3065241), (630, 2043494), (1260, 1021747)]