80218404

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{106109}}^1$

素因数の和:106129

約数の個数: 48

約数和(自身を含む): 237686400

約数和(自身を除く): 157467996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 106109, 212218, 318327, 424436, 636654, 742763, 954981, 1273308, 1485526, 1909962, 2228289, 2864943, 2971052, 3819924, 4456578, 5729886, 6684867, 8913156, 11459772, 13369734, 20054601, 26739468, 40109202, 80218404]

約数ペア:

[(1, 80218404), (2, 40109202), (3, 26739468), (4, 20054601), (6, 13369734), (7, 11459772), (9, 8913156), (12, 6684867), (14, 5729886), (18, 4456578), (21, 3819924), (27, 2971052), (28, 2864943), (36, 2228289), (42, 1909962), (54, 1485526), (63, 1273308), (84, 954981), (108, 742763), (126, 636654), (189, 424436), (252, 318327), (378, 212218), (756, 106109)]