140638920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1171991}}^1$

素因数の和:1172005

約数の個数: 32

約数和(自身を含む): 421917120

約数和(自身を除く): 281278200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1171991, 2343982, 3515973, 4687964, 5859955, 7031946, 9375928, 11719910, 14063892, 17579865, 23439820, 28127784, 35159730, 46879640, 70319460, 140638920]

約数ペア:

[(1, 140638920), (2, 70319460), (3, 46879640), (4, 35159730), (5, 28127784), (6, 23439820), (8, 17579865), (10, 14063892), (12, 11719910), (15, 9375928), (20, 7031946), (24, 5859955), (30, 4687964), (40, 3515973), (60, 2343982), (120, 1171991)]