128955288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2251}}^1$

素因数の和:2309

約数の個数: 128

約数和(自身を含む): 415088640

約数和(自身を除く): 286133352

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 31, 33, 42, 44, 56, 62, 66, 77, 84, 88, 93, 124, 132, 154, 168, 186, 217, 231, 248, 264, 308, 341, 372, 434, 462, 616, 651, 682, 744, 868, 924, 1023, 1302, 1364, 1736, 1848, 2046, 2251, 2387, 2604, 2728, 4092, 4502, 4774, 5208, 6753, 7161, 8184, 9004, 9548, 13506, 14322, 15757, 18008, 19096, 24761, 27012, 28644, 31514, 47271, 49522, 54024, 57288, 63028, 69781, 74283, 94542, 99044, 126056, 139562, 148566, 173327, 189084, 198088, 209343, 279124, 297132, 346654, 378168, 418686, 488467, 519981, 558248, 594264, 693308, 767591, 837372, 976934, 1039962, 1386616, 1465401, 1535182, 1674744, 1953868, 2079924, 2302773, 2930802, 3070364, 3907736, 4159848, 4605546, 5373137, 5861604, 6140728, 9211092, 10746274, 11723208, 16119411, 18422184, 21492548, 32238822, 42985096, 64477644, 128955288]

約数ペア:

[(1, 128955288), (2, 64477644), (3, 42985096), (4, 32238822), (6, 21492548), (7, 18422184), (8, 16119411), (11, 11723208), (12, 10746274), (14, 9211092), (21, 6140728), (22, 5861604), (24, 5373137), (28, 4605546), (31, 4159848), (33, 3907736), (42, 3070364), (44, 2930802), (56, 2302773), (62, 2079924), (66, 1953868), (77, 1674744), (84, 1535182), (88, 1465401), (93, 1386616), (124, 1039962), (132, 976934), (154, 837372), (168, 767591), (186, 693308), (217, 594264), (231, 558248), (248, 519981), (264, 488467), (308, 418686), (341, 378168), (372, 346654), (434, 297132), (462, 279124), (616, 209343), (651, 198088), (682, 189084), (744, 173327), (868, 148566), (924, 139562), (1023, 126056), (1302, 99044), (1364, 94542), (1736, 74283), (1848, 69781), (2046, 63028), (2251, 57288), (2387, 54024), (2604, 49522), (2728, 47271), (4092, 31514), (4502, 28644), (4774, 27012), (5208, 24761), (6753, 19096), (7161, 18008), (8184, 15757), (9004, 14322), (9548, 13506)]