164089360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{347}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 400795776

約数和(自身を除く): 236706416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 257, 347, 368, 460, 514, 694, 920, 1028, 1285, 1388, 1735, 1840, 2056, 2570, 2776, 3470, 4112, 5140, 5552, 5911, 6940, 7981, 10280, 11822, 13880, 15962, 20560, 23644, 27760, 29555, 31924, 39905, 47288, 59110, 63848, 79810, 89179, 94576, 118220, 127696, 159620, 178358, 236440, 319240, 356716, 445895, 472880, 638480, 713432, 891790, 1426864, 1783580, 2051117, 3567160, 4102234, 7134320, 8204468, 10255585, 16408936, 20511170, 32817872, 41022340, 82044680, 164089360]

約数ペア:

[(1, 164089360), (2, 82044680), (4, 41022340), (5, 32817872), (8, 20511170), (10, 16408936), (16, 10255585), (20, 8204468), (23, 7134320), (40, 4102234), (46, 3567160), (80, 2051117), (92, 1783580), (115, 1426864), (184, 891790), (230, 713432), (257, 638480), (347, 472880), (368, 445895), (460, 356716), (514, 319240), (694, 236440), (920, 178358), (1028, 159620), (1285, 127696), (1388, 118220), (1735, 94576), (1840, 89179), (2056, 79810), (2570, 63848), (2776, 59110), (3470, 47288), (4112, 39905), (5140, 31924), (5552, 29555), (5911, 27760), (6940, 23644), (7981, 20560), (10280, 15962), (11822, 13880)]