511582140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{7159}}^1$

素因数の和:7571

約数の個数: 72

約数和(自身を含む): 1555925280

約数和(自身を除く): 1044343140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397, 794, 1191, 1588, 1985, 2382, 3573, 3970, 4764, 5955, 7146, 7159, 7940, 11910, 14292, 14318, 17865, 21477, 23820, 28636, 35730, 35795, 42954, 64431, 71460, 71590, 85908, 107385, 128862, 143180, 214770, 257724, 322155, 429540, 644310, 1288620, 2842123, 5684246, 8526369, 11368492, 14210615, 17052738, 25579107, 28421230, 34105476, 42631845, 51158214, 56842460, 85263690, 102316428, 127895535, 170527380, 255791070, 511582140]

約数ペア:

[(1, 511582140), (2, 255791070), (3, 170527380), (4, 127895535), (5, 102316428), (6, 85263690), (9, 56842460), (10, 51158214), (12, 42631845), (15, 34105476), (18, 28421230), (20, 25579107), (30, 17052738), (36, 14210615), (45, 11368492), (60, 8526369), (90, 5684246), (180, 2842123), (397, 1288620), (794, 644310), (1191, 429540), (1588, 322155), (1985, 257724), (2382, 214770), (3573, 143180), (3970, 128862), (4764, 107385), (5955, 85908), (7146, 71590), (7159, 71460), (7940, 64431), (11910, 42954), (14292, 35795), (14318, 35730), (17865, 28636), (21477, 23820)]