164019520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1979}}^1$

素因数の和:2040

約数の個数: 112

約数和(自身を含む): 458663040

約数和(自身を除く): 294643520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 280, 296, 320, 370, 448, 518, 560, 592, 740, 1036, 1120, 1184, 1295, 1480, 1979, 2072, 2240, 2368, 2590, 2960, 3958, 4144, 5180, 5920, 7916, 8288, 9895, 10360, 11840, 13853, 15832, 16576, 19790, 20720, 27706, 31664, 39580, 41440, 55412, 63328, 69265, 73223, 79160, 82880, 110824, 126656, 138530, 146446, 158320, 221648, 277060, 292892, 316640, 366115, 443296, 512561, 554120, 585784, 633280, 732230, 886592, 1025122, 1108240, 1171568, 1464460, 2050244, 2216480, 2343136, 2562805, 2928920, 4100488, 4432960, 4686272, 5125610, 5857840, 8200976, 10251220, 11715680, 16401952, 20502440, 23431360, 32803904, 41004880, 82009760, 164019520]

約数ペア:

[(1, 164019520), (2, 82009760), (4, 41004880), (5, 32803904), (7, 23431360), (8, 20502440), (10, 16401952), (14, 11715680), (16, 10251220), (20, 8200976), (28, 5857840), (32, 5125610), (35, 4686272), (37, 4432960), (40, 4100488), (56, 2928920), (64, 2562805), (70, 2343136), (74, 2216480), (80, 2050244), (112, 1464460), (140, 1171568), (148, 1108240), (160, 1025122), (185, 886592), (224, 732230), (259, 633280), (280, 585784), (296, 554120), (320, 512561), (370, 443296), (448, 366115), (518, 316640), (560, 292892), (592, 277060), (740, 221648), (1036, 158320), (1120, 146446), (1184, 138530), (1295, 126656), (1480, 110824), (1979, 82880), (2072, 79160), (2240, 73223), (2368, 69265), (2590, 63328), (2960, 55412), (3958, 41440), (4144, 39580), (5180, 31664), (5920, 27706), (7916, 20720), (8288, 19790), (9895, 16576), (10360, 15832), (11840, 13853)]