81163600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:174

約数の個数: 180

約数和(自身を含む): 234664668

約数和(自身を除く): 153501068

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 41, 49, 50, 56, 70, 80, 82, 98, 100, 101, 112, 140, 164, 175, 196, 200, 202, 205, 245, 280, 287, 328, 350, 392, 400, 404, 410, 490, 505, 560, 574, 656, 700, 707, 784, 808, 820, 980, 1010, 1025, 1148, 1225, 1400, 1414, 1435, 1616, 1640, 1960, 2009, 2020, 2050, 2296, 2450, 2525, 2800, 2828, 2870, 3280, 3535, 3920, 4018, 4040, 4100, 4141, 4592, 4900, 4949, 5050, 5656, 5740, 7070, 7175, 8036, 8080, 8200, 8282, 9800, 9898, 10045, 10100, 11312, 11480, 14140, 14350, 16072, 16400, 16564, 17675, 19600, 19796, 20090, 20200, 20705, 22960, 24745, 28280, 28700, 28987, 32144, 33128, 35350, 39592, 40180, 40400, 41410, 49490, 50225, 56560, 57400, 57974, 66256, 70700, 79184, 80360, 82820, 98980, 100450, 103525, 114800, 115948, 123725, 141400, 144935, 160720, 165640, 197960, 200900, 202909, 207050, 231896, 247450, 282800, 289870, 331280, 395920, 401800, 405818, 414100, 463792, 494900, 579740, 724675, 803600, 811636, 828200, 989800, 1014545, 1159480, 1449350, 1623272, 1656400, 1979600, 2029090, 2318960, 2898700, 3246544, 4058180, 5072725, 5797400, 8116360, 10145450, 11594800, 16232720, 20290900, 40581800, 81163600]

約数ペア:

[(1, 81163600), (2, 40581800), (4, 20290900), (5, 16232720), (7, 11594800), (8, 10145450), (10, 8116360), (14, 5797400), (16, 5072725), (20, 4058180), (25, 3246544), (28, 2898700), (35, 2318960), (40, 2029090), (41, 1979600), (49, 1656400), (50, 1623272), (56, 1449350), (70, 1159480), (80, 1014545), (82, 989800), (98, 828200), (100, 811636), (101, 803600), (112, 724675), (140, 579740), (164, 494900), (175, 463792), (196, 414100), (200, 405818), (202, 401800), (205, 395920), (245, 331280), (280, 289870), (287, 282800), (328, 247450), (350, 231896), (392, 207050), (400, 202909), (404, 200900), (410, 197960), (490, 165640), (505, 160720), (560, 144935), (574, 141400), (656, 123725), (700, 115948), (707, 114800), (784, 103525), (808, 100450), (820, 98980), (980, 82820), (1010, 80360), (1025, 79184), (1148, 70700), (1225, 66256), (1400, 57974), (1414, 57400), (1435, 56560), (1616, 50225), (1640, 49490), (1960, 41410), (2009, 40400), (2020, 40180), (2050, 39592), (2296, 35350), (2450, 33128), (2525, 32144), (2800, 28987), (2828, 28700), (2870, 28280), (3280, 24745), (3535, 22960), (3920, 20705), (4018, 20200), (4040, 20090), (4100, 19796), (4141, 19600), (4592, 17675), (4900, 16564), (4949, 16400), (5050, 16072), (5656, 14350), (5740, 14140), (7070, 11480), (7175, 11312), (8036, 10100), (8080, 10045), (8200, 9898), (8282, 9800)]