27971820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{155399}}^1$

素因数の和:155414

約数の個数: 36

約数和(自身を含む): 84848400

約数和(自身を除く): 56876580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 155399, 310798, 466197, 621596, 776995, 932394, 1398591, 1553990, 1864788, 2330985, 2797182, 3107980, 4661970, 5594364, 6992955, 9323940, 13985910, 27971820]

約数ペア:

[(1, 27971820), (2, 13985910), (3, 9323940), (4, 6992955), (5, 5594364), (6, 4661970), (9, 3107980), (10, 2797182), (12, 2330985), (15, 1864788), (18, 1553990), (20, 1398591), (30, 932394), (36, 776995), (45, 621596), (60, 466197), (90, 310798), (180, 155399)]