1971270

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{149}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 6156000

約数和(自身を除く): 4184730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 149, 189, 210, 245, 270, 294, 298, 315, 378, 441, 447, 490, 630, 735, 745, 882, 894, 945, 1043, 1323, 1341, 1470, 1490, 1890, 2086, 2205, 2235, 2646, 2682, 3129, 4023, 4410, 4470, 5215, 6258, 6615, 6705, 7301, 8046, 9387, 10430, 13230, 13410, 14602, 15645, 18774, 20115, 21903, 28161, 31290, 36505, 40230, 43806, 46935, 56322, 65709, 73010, 93870, 109515, 131418, 140805, 197127, 219030, 281610, 328545, 394254, 657090, 985635, 1971270]

約数ペア:

[(1, 1971270), (2, 985635), (3, 657090), (5, 394254), (6, 328545), (7, 281610), (9, 219030), (10, 197127), (14, 140805), (15, 131418), (18, 109515), (21, 93870), (27, 73010), (30, 65709), (35, 56322), (42, 46935), (45, 43806), (49, 40230), (54, 36505), (63, 31290), (70, 28161), (90, 21903), (98, 20115), (105, 18774), (126, 15645), (135, 14602), (147, 13410), (149, 13230), (189, 10430), (210, 9387), (245, 8046), (270, 7301), (294, 6705), (298, 6615), (315, 6258), (378, 5215), (441, 4470), (447, 4410), (490, 4023), (630, 3129), (735, 2682), (745, 2646), (882, 2235), (894, 2205), (945, 2086), (1043, 1890), (1323, 1490), (1341, 1470)]