80228988

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{106123}}^1$

素因数の和:106143

約数の個数: 48

約数和(自身を含む): 237717760

約数和(自身を除く): 157488772

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, 106123, 212246, 318369, 424492, 636738, 742861, 955107, 1273476, 1485722, 1910214, 2228583, 2865321, 2971444, 3820428, 4457166, 5730642, 6685749, 8914332, 11461284, 13371498, 20057247, 26742996, 40114494, 80228988]

約数ペア:

[(1, 80228988), (2, 40114494), (3, 26742996), (4, 20057247), (6, 13371498), (7, 11461284), (9, 8914332), (12, 6685749), (14, 5730642), (18, 4457166), (21, 3820428), (27, 2971444), (28, 2865321), (36, 2228583), (42, 1910214), (54, 1485722), (63, 1273476), (84, 955107), (108, 742861), (126, 636738), (189, 424492), (252, 318369), (378, 212246), (756, 106123)]