81911880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227533}}^1$

素因数の和:227550

約数の個数: 48

約数和(自身を含む): 266214780

約数和(自身を除く): 184302900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 227533, 455066, 682599, 910132, 1137665, 1365198, 1820264, 2047797, 2275330, 2730396, 3412995, 4095594, 4550660, 5460792, 6825990, 8191188, 9101320, 10238985, 13651980, 16382376, 20477970, 27303960, 40955940, 81911880]

約数ペア:

[(1, 81911880), (2, 40955940), (3, 27303960), (4, 20477970), (5, 16382376), (6, 13651980), (8, 10238985), (9, 9101320), (10, 8191188), (12, 6825990), (15, 5460792), (18, 4550660), (20, 4095594), (24, 3412995), (30, 2730396), (36, 2275330), (40, 2047797), (45, 1820264), (60, 1365198), (72, 1137665), (90, 910132), (120, 682599), (180, 455066), (360, 227533)]