80481996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{613}}^1$

素因数の和:1151

約数の個数: 72

約数和(自身を含む): 233329824

約数和(自身を除く): 152847828

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 521, 613, 1042, 1226, 1563, 1839, 2084, 2452, 3126, 3647, 3678, 4291, 4689, 5517, 6252, 7294, 7356, 8582, 9378, 10941, 11034, 12873, 14588, 17164, 18756, 21882, 22068, 25746, 32823, 38619, 43764, 51492, 65646, 77238, 131292, 154476, 319373, 638746, 958119, 1277492, 1916238, 2235611, 2874357, 3832476, 4471222, 5748714, 6706833, 8942444, 11497428, 13413666, 20120499, 26827332, 40240998, 80481996]

約数ペア:

[(1, 80481996), (2, 40240998), (3, 26827332), (4, 20120499), (6, 13413666), (7, 11497428), (9, 8942444), (12, 6706833), (14, 5748714), (18, 4471222), (21, 3832476), (28, 2874357), (36, 2235611), (42, 1916238), (63, 1277492), (84, 958119), (126, 638746), (252, 319373), (521, 154476), (613, 131292), (1042, 77238), (1226, 65646), (1563, 51492), (1839, 43764), (2084, 38619), (2452, 32823), (3126, 25746), (3647, 22068), (3678, 21882), (4291, 18756), (4689, 17164), (5517, 14588), (6252, 12873), (7294, 11034), (7356, 10941), (8582, 9378)]