27898380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{154991}}^1$

素因数の和:155006

約数の個数: 36

約数和(自身を含む): 84625632

約数和(自身を除く): 56727252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 154991, 309982, 464973, 619964, 774955, 929946, 1394919, 1549910, 1859892, 2324865, 2789838, 3099820, 4649730, 5579676, 6974595, 9299460, 13949190, 27898380]

約数ペア:

[(1, 27898380), (2, 13949190), (3, 9299460), (4, 6974595), (5, 5579676), (6, 4649730), (9, 3099820), (10, 2789838), (12, 2324865), (15, 1859892), (18, 1549910), (20, 1394919), (30, 929946), (36, 774955), (45, 619964), (60, 464973), (90, 309982), (180, 154991)]