80999910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2267}}^1$

素因数の和:2677

約数の個数: 48

約数和(自身を含む): 211223376

約数和(自身を除く): 130223466

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 397, 794, 1191, 1985, 2267, 2382, 3573, 3970, 4534, 5955, 6801, 7146, 11335, 11910, 13602, 17865, 20403, 22670, 34005, 35730, 40806, 68010, 102015, 204030, 899999, 1799998, 2699997, 4499995, 5399994, 8099991, 8999990, 13499985, 16199982, 26999970, 40499955, 80999910]

約数ペア:

[(1, 80999910), (2, 40499955), (3, 26999970), (5, 16199982), (6, 13499985), (9, 8999990), (10, 8099991), (15, 5399994), (18, 4499995), (30, 2699997), (45, 1799998), (90, 899999), (397, 204030), (794, 102015), (1191, 68010), (1985, 40806), (2267, 35730), (2382, 34005), (3573, 22670), (3970, 20403), (4534, 17865), (5955, 13602), (6801, 11910), (7146, 11335)]