8639880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71999}}^1$

素因数の和:72013

約数の個数: 32

約数和(自身を含む): 25920000

約数和(自身を除く): 17280120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 71999, 143998, 215997, 287996, 359995, 431994, 575992, 719990, 863988, 1079985, 1439980, 1727976, 2159970, 2879960, 4319940, 8639880]

約数ペア:

[(1, 8639880), (2, 4319940), (3, 2879960), (4, 2159970), (5, 1727976), (6, 1439980), (8, 1079985), (10, 863988), (12, 719990), (15, 575992), (20, 431994), (24, 359995), (30, 287996), (40, 215997), (60, 143998), (120, 71999)]