7977690

素因数分解:

$2^1\times 3^5\times 5^1\times 7^2\times {\mathrm{67}}^1$

素因数の和:103

約数の個数: 144

約数和(自身を含む): 25395552

約数和(自身を除く): 17417862

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 67, 70, 81, 90, 98, 105, 126, 134, 135, 147, 162, 189, 201, 210, 243, 245, 270, 294, 315, 335, 378, 402, 405, 441, 469, 486, 490, 567, 603, 630, 670, 735, 810, 882, 938, 945, 1005, 1134, 1206, 1215, 1323, 1407, 1470, 1701, 1809, 1890, 2010, 2205, 2345, 2430, 2646, 2814, 2835, 3015, 3283, 3402, 3618, 3969, 4221, 4410, 4690, 5427, 5670, 6030, 6566, 6615, 7035, 7938, 8442, 8505, 9045, 9849, 10854, 11907, 12663, 13230, 14070, 16281, 16415, 17010, 18090, 19698, 19845, 21105, 23814, 25326, 27135, 29547, 32562, 32830, 37989, 39690, 42210, 49245, 54270, 59094, 59535, 63315, 75978, 81405, 88641, 98490, 113967, 119070, 126630, 147735, 162810, 177282, 189945, 227934, 265923, 295470, 379890, 443205, 531846, 569835, 797769, 886410, 1139670, 1329615, 1595538, 2659230, 3988845, 7977690]

約数ペア:

[(1, 7977690), (2, 3988845), (3, 2659230), (5, 1595538), (6, 1329615), (7, 1139670), (9, 886410), (10, 797769), (14, 569835), (15, 531846), (18, 443205), (21, 379890), (27, 295470), (30, 265923), (35, 227934), (42, 189945), (45, 177282), (49, 162810), (54, 147735), (63, 126630), (67, 119070), (70, 113967), (81, 98490), (90, 88641), (98, 81405), (105, 75978), (126, 63315), (134, 59535), (135, 59094), (147, 54270), (162, 49245), (189, 42210), (201, 39690), (210, 37989), (243, 32830), (245, 32562), (270, 29547), (294, 27135), (315, 25326), (335, 23814), (378, 21105), (402, 19845), (405, 19698), (441, 18090), (469, 17010), (486, 16415), (490, 16281), (567, 14070), (603, 13230), (630, 12663), (670, 11907), (735, 10854), (810, 9849), (882, 9045), (938, 8505), (945, 8442), (1005, 7938), (1134, 7035), (1206, 6615), (1215, 6566), (1323, 6030), (1407, 5670), (1470, 5427), (1701, 4690), (1809, 4410), (1890, 4221), (2010, 3969), (2205, 3618), (2345, 3402), (2430, 3283), (2646, 3015), (2814, 2835)]