815940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1511}}^1$

素因数の和:1529

約数の個数: 48

約数和(自身を含む): 2540160

約数和(自身を除く): 1724220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 1511, 3022, 4533, 6044, 7555, 9066, 13599, 15110, 18132, 22665, 27198, 30220, 40797, 45330, 54396, 67995, 81594, 90660, 135990, 163188, 203985, 271980, 407970, 815940]

約数ペア:

[(1, 815940), (2, 407970), (3, 271980), (4, 203985), (5, 163188), (6, 135990), (9, 90660), (10, 81594), (12, 67995), (15, 54396), (18, 45330), (20, 40797), (27, 30220), (30, 27198), (36, 22665), (45, 18132), (54, 15110), (60, 13599), (90, 9066), (108, 7555), (135, 6044), (180, 4533), (270, 3022), (540, 1511)]