27720755104

素因数分解:

$2^5\times 7^4\times {\mathrm{421}}^1\times {\mathrm{857}}^1$

素因数の和:1316

約数の個数: 120

約数和(自身を含む): 63893017188

約数和(自身を除く): 36172262084

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 421, 686, 784, 842, 857, 1372, 1568, 1684, 1714, 2401, 2744, 2947, 3368, 3428, 4802, 5488, 5894, 5999, 6736, 6856, 9604, 10976, 11788, 11998, 13472, 13712, 19208, 20629, 23576, 23996, 27424, 38416, 41258, 41993, 47152, 47992, 76832, 82516, 83986, 94304, 95984, 144403, 165032, 167972, 191968, 288806, 293951, 330064, 335944, 360797, 577612, 587902, 660128, 671888, 721594, 1010821, 1155224, 1175804, 1343776, 1443188, 2021642, 2057657, 2310448, 2351608, 2525579, 2886376, 4043284, 4115314, 4620896, 4703216, 5051158, 5772752, 8086568, 8230628, 9406432, 10102316, 11545504, 16173136, 16461256, 17679053, 20204632, 32346272, 32922512, 35358106, 40409264, 65845024, 70716212, 80818528, 123753371, 141432424, 247506742, 282864848, 495013484, 565729696, 866273597, 990026968, 1732547194, 1980053936, 3465094388, 3960107872, 6930188776, 13860377552, 27720755104]

約数ペア:

[(1, 27720755104), (2, 13860377552), (4, 6930188776), (7, 3960107872), (8, 3465094388), (14, 1980053936), (16, 1732547194), (28, 990026968), (32, 866273597), (49, 565729696), (56, 495013484), (98, 282864848), (112, 247506742), (196, 141432424), (224, 123753371), (343, 80818528), (392, 70716212), (421, 65845024), (686, 40409264), (784, 35358106), (842, 32922512), (857, 32346272), (1372, 20204632), (1568, 17679053), (1684, 16461256), (1714, 16173136), (2401, 11545504), (2744, 10102316), (2947, 9406432), (3368, 8230628), (3428, 8086568), (4802, 5772752), (5488, 5051158), (5894, 4703216), (5999, 4620896), (6736, 4115314), (6856, 4043284), (9604, 2886376), (10976, 2525579), (11788, 2351608), (11998, 2310448), (13472, 2057657), (13712, 2021642), (19208, 1443188), (20629, 1343776), (23576, 1175804), (23996, 1155224), (27424, 1010821), (38416, 721594), (41258, 671888), (41993, 660128), (47152, 587902), (47992, 577612), (76832, 360797), (82516, 335944), (83986, 330064), (94304, 293951), (95984, 288806), (144403, 191968), (165032, 167972)]