80840844

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2153}}^1$

素因数の和:2319

約数の個数: 72

約数和(自身を含む): 235216800

約数和(自身を除く): 154375956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 149, 252, 298, 447, 596, 894, 1043, 1341, 1788, 2086, 2153, 2682, 3129, 4172, 4306, 5364, 6258, 6459, 8612, 9387, 12516, 12918, 15071, 18774, 19377, 25836, 30142, 37548, 38754, 45213, 60284, 77508, 90426, 135639, 180852, 271278, 320797, 542556, 641594, 962391, 1283188, 1924782, 2245579, 2887173, 3849564, 4491158, 5774346, 6736737, 8982316, 11548692, 13473474, 20210211, 26946948, 40420422, 80840844]

約数ペア:

[(1, 80840844), (2, 40420422), (3, 26946948), (4, 20210211), (6, 13473474), (7, 11548692), (9, 8982316), (12, 6736737), (14, 5774346), (18, 4491158), (21, 3849564), (28, 2887173), (36, 2245579), (42, 1924782), (63, 1283188), (84, 962391), (126, 641594), (149, 542556), (252, 320797), (298, 271278), (447, 180852), (596, 135639), (894, 90426), (1043, 77508), (1341, 60284), (1788, 45213), (2086, 38754), (2153, 37548), (2682, 30142), (3129, 25836), (4172, 19377), (4306, 18774), (5364, 15071), (6258, 12918), (6459, 12516), (8612, 9387)]