2440890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{733}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 6526728

約数和(自身を除く): 4085838

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 733, 1110, 1466, 1665, 2199, 3330, 3665, 4398, 6597, 7330, 10995, 13194, 21990, 27121, 32985, 54242, 65970, 81363, 135605, 162726, 244089, 271210, 406815, 488178, 813630, 1220445, 2440890]

約数ペア:

[(1, 2440890), (2, 1220445), (3, 813630), (5, 488178), (6, 406815), (9, 271210), (10, 244089), (15, 162726), (18, 135605), (30, 81363), (37, 65970), (45, 54242), (74, 32985), (90, 27121), (111, 21990), (185, 13194), (222, 10995), (333, 7330), (370, 6597), (555, 4398), (666, 3665), (733, 3330), (1110, 2199), (1466, 1665)]