80745360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{839}}^1$

素因数の和:1256

約数の個数: 80

約数和(自身を含む): 251233920

約数和(自身を除く): 170488560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 401, 802, 839, 1203, 1604, 1678, 2005, 2406, 2517, 3208, 3356, 4010, 4195, 4812, 5034, 6015, 6416, 6712, 8020, 8390, 9624, 10068, 12030, 12585, 13424, 16040, 16780, 19248, 20136, 24060, 25170, 32080, 33560, 40272, 48120, 50340, 67120, 96240, 100680, 201360, 336439, 672878, 1009317, 1345756, 1682195, 2018634, 2691512, 3364390, 4037268, 5046585, 5383024, 6728780, 8074536, 10093170, 13457560, 16149072, 20186340, 26915120, 40372680, 80745360]

約数ペア:

[(1, 80745360), (2, 40372680), (3, 26915120), (4, 20186340), (5, 16149072), (6, 13457560), (8, 10093170), (10, 8074536), (12, 6728780), (15, 5383024), (16, 5046585), (20, 4037268), (24, 3364390), (30, 2691512), (40, 2018634), (48, 1682195), (60, 1345756), (80, 1009317), (120, 672878), (240, 336439), (401, 201360), (802, 100680), (839, 96240), (1203, 67120), (1604, 50340), (1678, 48120), (2005, 40272), (2406, 33560), (2517, 32080), (3208, 25170), (3356, 24060), (4010, 20136), (4195, 19248), (4812, 16780), (5034, 16040), (6015, 13424), (6416, 12585), (6712, 12030), (8020, 10068), (8390, 9624)]