128630432

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1987}}^1$

素因数の和:2038

約数の個数: 72

約数和(自身を含む): 307599264

約数和(自身を除く): 178968832

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 289, 476, 544, 578, 952, 1156, 1904, 1987, 2023, 2312, 3808, 3974, 4046, 4624, 7948, 8092, 9248, 13909, 15896, 16184, 27818, 31792, 32368, 33779, 55636, 63584, 64736, 67558, 111272, 135116, 222544, 236453, 270232, 445088, 472906, 540464, 574243, 945812, 1080928, 1148486, 1891624, 2296972, 3783248, 4019701, 4593944, 7566496, 8039402, 9187888, 16078804, 18375776, 32157608, 64315216, 128630432]

約数ペア:

[(1, 128630432), (2, 64315216), (4, 32157608), (7, 18375776), (8, 16078804), (14, 9187888), (16, 8039402), (17, 7566496), (28, 4593944), (32, 4019701), (34, 3783248), (56, 2296972), (68, 1891624), (112, 1148486), (119, 1080928), (136, 945812), (224, 574243), (238, 540464), (272, 472906), (289, 445088), (476, 270232), (544, 236453), (578, 222544), (952, 135116), (1156, 111272), (1904, 67558), (1987, 64736), (2023, 63584), (2312, 55636), (3808, 33779), (3974, 32368), (4046, 31792), (4624, 27818), (7948, 16184), (8092, 15896), (9248, 13909)]