72855520

素因数分解:

$2^5\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1609}}^1$

素因数の和:1907

約数の個数: 48

約数和(自身を含む): 172836720

約数和(自身を除く): 99981200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 283, 566, 1132, 1415, 1609, 2264, 2830, 3218, 4528, 5660, 6436, 8045, 9056, 11320, 12872, 16090, 22640, 25744, 32180, 45280, 51488, 64360, 128720, 257440, 455347, 910694, 1821388, 2276735, 3642776, 4553470, 7285552, 9106940, 14571104, 18213880, 36427760, 72855520]

約数ペア:

[(1, 72855520), (2, 36427760), (4, 18213880), (5, 14571104), (8, 9106940), (10, 7285552), (16, 4553470), (20, 3642776), (32, 2276735), (40, 1821388), (80, 910694), (160, 455347), (283, 257440), (566, 128720), (1132, 64360), (1415, 51488), (1609, 45280), (2264, 32180), (2830, 25744), (3218, 22640), (4528, 16090), (5660, 12872), (6436, 11320), (8045, 9056)]