31319880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{260999}}^1$

素因数の和:261013

約数の個数: 32

約数和(自身を含む): 93960000

約数和(自身を除く): 62640120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 260999, 521998, 782997, 1043996, 1304995, 1565994, 2087992, 2609990, 3131988, 3914985, 5219980, 6263976, 7829970, 10439960, 15659940, 31319880]

約数ペア:

[(1, 31319880), (2, 15659940), (3, 10439960), (4, 7829970), (5, 6263976), (6, 5219980), (8, 3914985), (10, 3131988), (12, 2609990), (15, 2087992), (20, 1565994), (24, 1304995), (30, 1043996), (40, 782997), (60, 521998), (120, 260999)]