84731220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{67247}}^1$

素因数の和:67269

約数の個数: 72

約数和(自身を含む): 293739264

約数和(自身を除く): 209008044

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, 67247, 134494, 201741, 268988, 336235, 403482, 470729, 605223, 672470, 806964, 941458, 1008705, 1210446, 1344940, 1412187, 1882916, 2017410, 2353645, 2420892, 2824374, 3026115, 4034820, 4236561, 4707290, 5648748, 6052230, 7060935, 8473122, 9414580, 12104460, 14121870, 16946244, 21182805, 28243740, 42365610, 84731220]

約数ペア:

[(1, 84731220), (2, 42365610), (3, 28243740), (4, 21182805), (5, 16946244), (6, 14121870), (7, 12104460), (9, 9414580), (10, 8473122), (12, 7060935), (14, 6052230), (15, 5648748), (18, 4707290), (20, 4236561), (21, 4034820), (28, 3026115), (30, 2824374), (35, 2420892), (36, 2353645), (42, 2017410), (45, 1882916), (60, 1412187), (63, 1344940), (70, 1210446), (84, 1008705), (90, 941458), (105, 806964), (126, 672470), (140, 605223), (180, 470729), (210, 403482), (252, 336235), (315, 268988), (420, 201741), (630, 134494), (1260, 67247)]