8661240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{491}}^1$

素因数の和:522

約数の個数: 144

約数和(自身を含む): 32811480

約数和(自身を除く): 24150240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 491, 504, 588, 630, 735, 840, 882, 980, 982, 1176, 1260, 1470, 1473, 1764, 1960, 1964, 2205, 2455, 2520, 2940, 2946, 3437, 3528, 3928, 4410, 4419, 4910, 5880, 5892, 6874, 7365, 8820, 8838, 9820, 10311, 11784, 13748, 14730, 17185, 17640, 17676, 19640, 20622, 22095, 24059, 27496, 29460, 30933, 34370, 35352, 41244, 44190, 48118, 51555, 58920, 61866, 68740, 72177, 82488, 88380, 96236, 103110, 120295, 123732, 137480, 144354, 154665, 176760, 192472, 206220, 216531, 240590, 247464, 288708, 309330, 360885, 412440, 433062, 481180, 577416, 618660, 721770, 866124, 962360, 1082655, 1237320, 1443540, 1732248, 2165310, 2887080, 4330620, 8661240]

約数ペア:

[(1, 8661240), (2, 4330620), (3, 2887080), (4, 2165310), (5, 1732248), (6, 1443540), (7, 1237320), (8, 1082655), (9, 962360), (10, 866124), (12, 721770), (14, 618660), (15, 577416), (18, 481180), (20, 433062), (21, 412440), (24, 360885), (28, 309330), (30, 288708), (35, 247464), (36, 240590), (40, 216531), (42, 206220), (45, 192472), (49, 176760), (56, 154665), (60, 144354), (63, 137480), (70, 123732), (72, 120295), (84, 103110), (90, 96236), (98, 88380), (105, 82488), (120, 72177), (126, 68740), (140, 61866), (147, 58920), (168, 51555), (180, 48118), (196, 44190), (210, 41244), (245, 35352), (252, 34370), (280, 30933), (294, 29460), (315, 27496), (360, 24059), (392, 22095), (420, 20622), (441, 19640), (490, 17676), (491, 17640), (504, 17185), (588, 14730), (630, 13748), (735, 11784), (840, 10311), (882, 9820), (980, 8838), (982, 8820), (1176, 7365), (1260, 6874), (1470, 5892), (1473, 5880), (1764, 4910), (1960, 4419), (1964, 4410), (2205, 3928), (2455, 3528), (2520, 3437), (2940, 2946)]