15802720

素因数分解:

$2^5\times 5^1\times {\mathrm{283}}^1\times {\mathrm{349}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 37573200

約数和(自身を除く): 21770480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 283, 349, 566, 698, 1132, 1396, 1415, 1745, 2264, 2792, 2830, 3490, 4528, 5584, 5660, 6980, 9056, 11168, 11320, 13960, 22640, 27920, 45280, 55840, 98767, 197534, 395068, 493835, 790136, 987670, 1580272, 1975340, 3160544, 3950680, 7901360, 15802720]

約数ペア:

[(1, 15802720), (2, 7901360), (4, 3950680), (5, 3160544), (8, 1975340), (10, 1580272), (16, 987670), (20, 790136), (32, 493835), (40, 395068), (80, 197534), (160, 98767), (283, 55840), (349, 45280), (566, 27920), (698, 22640), (1132, 13960), (1396, 11320), (1415, 11168), (1745, 9056), (2264, 6980), (2792, 5660), (2830, 5584), (3490, 4528)]