171518240

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2621}}^1$

素因数の和:3045

約数の個数: 48

約数和(自身を含む): 406357560

約数和(自身を除く): 234839320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 1636, 2045, 2621, 3272, 4090, 5242, 6544, 8180, 10484, 13088, 13105, 16360, 20968, 26210, 32720, 41936, 52420, 65440, 83872, 104840, 209680, 419360, 1071989, 2143978, 4287956, 5359945, 8575912, 10719890, 17151824, 21439780, 34303648, 42879560, 85759120, 171518240]

約数ペア:

[(1, 171518240), (2, 85759120), (4, 42879560), (5, 34303648), (8, 21439780), (10, 17151824), (16, 10719890), (20, 8575912), (32, 5359945), (40, 4287956), (80, 2143978), (160, 1071989), (409, 419360), (818, 209680), (1636, 104840), (2045, 83872), (2621, 65440), (3272, 52420), (4090, 41936), (5242, 32720), (6544, 26210), (8180, 20968), (10484, 16360), (13088, 13105)]