3280720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1783}}^1$

素因数の和:1819

約数の個数: 40

約数和(自身を含む): 7963776

約数和(自身を除く): 4683056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1783, 1840, 3566, 7132, 8915, 14264, 17830, 28528, 35660, 41009, 71320, 82018, 142640, 164036, 205045, 328072, 410090, 656144, 820180, 1640360, 3280720]

約数ペア:

[(1, 3280720), (2, 1640360), (4, 820180), (5, 656144), (8, 410090), (10, 328072), (16, 205045), (20, 164036), (23, 142640), (40, 82018), (46, 71320), (80, 41009), (92, 35660), (115, 28528), (184, 17830), (230, 14264), (368, 8915), (460, 7132), (920, 3566), (1783, 1840)]