220679820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1225999}}^1$

素因数の和:1226014

約数の個数: 36

約数和(自身を含む): 669396000

約数和(自身を除く): 448716180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1225999, 2451998, 3677997, 4903996, 6129995, 7355994, 11033991, 12259990, 14711988, 18389985, 22067982, 24519980, 36779970, 44135964, 55169955, 73559940, 110339910, 220679820]

約数ペア:

[(1, 220679820), (2, 110339910), (3, 73559940), (4, 55169955), (5, 44135964), (6, 36779970), (9, 24519980), (10, 22067982), (12, 18389985), (15, 14711988), (18, 12259990), (20, 11033991), (30, 7355994), (36, 6129995), (45, 4903996), (60, 3677997), (90, 2451998), (180, 1225999)]