123875920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31601}}^1$

素因数の和:31628

約数の個数: 60

約数和(自身を含む): 335044404

約数和(自身を除く): 211168484

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 31601, 63202, 126404, 158005, 221207, 252808, 316010, 442414, 505616, 632020, 884828, 1106035, 1264040, 1548449, 1769656, 2212070, 2528080, 3096898, 3539312, 4424140, 6193796, 7742245, 8848280, 12387592, 15484490, 17696560, 24775184, 30968980, 61937960, 123875920]

約数ペア:

[(1, 123875920), (2, 61937960), (4, 30968980), (5, 24775184), (7, 17696560), (8, 15484490), (10, 12387592), (14, 8848280), (16, 7742245), (20, 6193796), (28, 4424140), (35, 3539312), (40, 3096898), (49, 2528080), (56, 2212070), (70, 1769656), (80, 1548449), (98, 1264040), (112, 1106035), (140, 884828), (196, 632020), (245, 505616), (280, 442414), (392, 316010), (490, 252808), (560, 221207), (784, 158005), (980, 126404), (1960, 63202), (3920, 31601)]