64409820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7723}}^1$

素因数の和:7874

約数の個数: 48

約数和(自身を含む): 181668480

約数和(自身を除く): 117258660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 7723, 8340, 15446, 23169, 30892, 38615, 46338, 77230, 92676, 115845, 154460, 231690, 463380, 1073497, 2146994, 3220491, 4293988, 5367485, 6440982, 10734970, 12881964, 16102455, 21469940, 32204910, 64409820]

約数ペア:

[(1, 64409820), (2, 32204910), (3, 21469940), (4, 16102455), (5, 12881964), (6, 10734970), (10, 6440982), (12, 5367485), (15, 4293988), (20, 3220491), (30, 2146994), (60, 1073497), (139, 463380), (278, 231690), (417, 154460), (556, 115845), (695, 92676), (834, 77230), (1390, 46338), (1668, 38615), (2085, 30892), (2780, 23169), (4170, 15446), (7723, 8340)]