61729120

素因数分解:

$2^5\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1999}}^1$

素因数の和:2207

約数の個数: 48

約数和(自身を含む): 146664000

約数和(自身を除く): 84934880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 193, 386, 772, 965, 1544, 1930, 1999, 3088, 3860, 3998, 6176, 7720, 7996, 9995, 15440, 15992, 19990, 30880, 31984, 39980, 63968, 79960, 159920, 319840, 385807, 771614, 1543228, 1929035, 3086456, 3858070, 6172912, 7716140, 12345824, 15432280, 30864560, 61729120]

約数ペア:

[(1, 61729120), (2, 30864560), (4, 15432280), (5, 12345824), (8, 7716140), (10, 6172912), (16, 3858070), (20, 3086456), (32, 1929035), (40, 1543228), (80, 771614), (160, 385807), (193, 319840), (386, 159920), (772, 79960), (965, 63968), (1544, 39980), (1930, 31984), (1999, 30880), (3088, 19990), (3860, 15992), (3998, 15440), (6176, 9995), (7720, 7996)]