154990638

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:515

約数の個数: 128

約数和(自身を含む): 409190400

約数和(自身を除く): 254199762

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 31, 33, 38, 54, 57, 62, 66, 93, 99, 114, 171, 186, 198, 209, 279, 297, 341, 342, 418, 443, 513, 558, 589, 594, 627, 682, 837, 886, 1023, 1026, 1178, 1254, 1329, 1674, 1767, 1881, 2046, 2658, 3069, 3534, 3762, 3987, 4873, 5301, 5643, 6138, 6479, 7974, 8417, 9207, 9746, 10602, 11286, 11961, 12958, 13733, 14619, 15903, 16834, 18414, 19437, 23922, 25251, 27466, 29238, 31806, 38874, 41199, 43857, 50502, 58311, 75753, 82398, 87714, 92587, 116622, 123597, 131571, 151063, 151506, 174933, 185174, 227259, 247194, 260927, 263142, 277761, 302126, 349866, 370791, 453189, 454518, 521854, 555522, 741582, 782781, 833283, 906378, 1359567, 1565562, 1666566, 2348343, 2499849, 2719134, 2870197, 4078701, 4696686, 4999698, 5740394, 7045029, 8157402, 8610591, 14090058, 17221182, 25831773, 51663546, 77495319, 154990638]

約数ペア:

[(1, 154990638), (2, 77495319), (3, 51663546), (6, 25831773), (9, 17221182), (11, 14090058), (18, 8610591), (19, 8157402), (22, 7045029), (27, 5740394), (31, 4999698), (33, 4696686), (38, 4078701), (54, 2870197), (57, 2719134), (62, 2499849), (66, 2348343), (93, 1666566), (99, 1565562), (114, 1359567), (171, 906378), (186, 833283), (198, 782781), (209, 741582), (279, 555522), (297, 521854), (341, 454518), (342, 453189), (418, 370791), (443, 349866), (513, 302126), (558, 277761), (589, 263142), (594, 260927), (627, 247194), (682, 227259), (837, 185174), (886, 174933), (1023, 151506), (1026, 151063), (1178, 131571), (1254, 123597), (1329, 116622), (1674, 92587), (1767, 87714), (1881, 82398), (2046, 75753), (2658, 58311), (3069, 50502), (3534, 43857), (3762, 41199), (3987, 38874), (4873, 31806), (5301, 29238), (5643, 27466), (6138, 25251), (6479, 23922), (7974, 19437), (8417, 18414), (9207, 16834), (9746, 15903), (10602, 14619), (11286, 13733), (11961, 12958)]