161490720

素因数分解:

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

素因数の和:1258

約数の個数: 96

約数和(自身を含む): 510572160

約数和(自身を除く): 349081440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 401, 480, 802, 839, 1203, 1604, 1678, 2005, 2406, 2517, 3208, 3356, 4010, 4195, 4812, 5034, 6015, 6416, 6712, 8020, 8390, 9624, 10068, 12030, 12585, 12832, 13424, 16040, 16780, 19248, 20136, 24060, 25170, 26848, 32080, 33560, 38496, 40272, 48120, 50340, 64160, 67120, 80544, 96240, 100680, 134240, 192480, 201360, 336439, 402720, 672878, 1009317, 1345756, 1682195, 2018634, 2691512, 3364390, 4037268, 5046585, 5383024, 6728780, 8074536, 10093170, 10766048, 13457560, 16149072, 20186340, 26915120, 32298144, 40372680, 53830240, 80745360, 161490720]

約数ペア:

[(1, 161490720), (2, 80745360), (3, 53830240), (4, 40372680), (5, 32298144), (6, 26915120), (8, 20186340), (10, 16149072), (12, 13457560), (15, 10766048), (16, 10093170), (20, 8074536), (24, 6728780), (30, 5383024), (32, 5046585), (40, 4037268), (48, 3364390), (60, 2691512), (80, 2018634), (96, 1682195), (120, 1345756), (160, 1009317), (240, 672878), (401, 402720), (480, 336439), (802, 201360), (839, 192480), (1203, 134240), (1604, 100680), (1678, 96240), (2005, 80544), (2406, 67120), (2517, 64160), (3208, 50340), (3356, 48120), (4010, 40272), (4195, 38496), (4812, 33560), (5034, 32080), (6015, 26848), (6416, 25170), (6712, 24060), (8020, 20136), (8390, 19248), (9624, 16780), (10068, 16040), (12030, 13424), (12585, 12832)]