160999720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{811}}^1$

素因数の和:1538

約数の個数: 64

約数和(自身を含む): 415094400

約数和(自身を除く): 254094680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 709, 811, 1418, 1622, 2836, 3244, 3545, 4055, 4963, 5672, 5677, 6488, 7090, 8110, 9926, 11354, 14180, 16220, 19852, 22708, 24815, 28360, 28385, 32440, 39704, 45416, 49630, 56770, 99260, 113540, 198520, 227080, 574999, 1149998, 2299996, 2874995, 4024993, 4599992, 5749990, 8049986, 11499980, 16099972, 20124965, 22999960, 32199944, 40249930, 80499860, 160999720]

約数ペア:

[(1, 160999720), (2, 80499860), (4, 40249930), (5, 32199944), (7, 22999960), (8, 20124965), (10, 16099972), (14, 11499980), (20, 8049986), (28, 5749990), (35, 4599992), (40, 4024993), (56, 2874995), (70, 2299996), (140, 1149998), (280, 574999), (709, 227080), (811, 198520), (1418, 113540), (1622, 99260), (2836, 56770), (3244, 49630), (3545, 45416), (4055, 39704), (4963, 32440), (5672, 28385), (5677, 28360), (6488, 24815), (7090, 22708), (8110, 19852), (9926, 16220), (11354, 14180)]