15980624

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 36426240

約数和(自身を除く): 20445616

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 31, 44, 58, 62, 88, 101, 116, 124, 176, 202, 232, 248, 319, 341, 404, 464, 496, 638, 682, 808, 899, 1111, 1276, 1364, 1616, 1798, 2222, 2552, 2728, 2929, 3131, 3596, 4444, 5104, 5456, 5858, 6262, 7192, 8888, 9889, 11716, 12524, 14384, 17776, 19778, 23432, 25048, 32219, 34441, 39556, 46864, 50096, 64438, 68882, 79112, 90799, 128876, 137764, 158224, 181598, 257752, 275528, 363196, 515504, 551056, 726392, 998789, 1452784, 1997578, 3995156, 7990312, 15980624]

約数ペア:

[(1, 15980624), (2, 7990312), (4, 3995156), (8, 1997578), (11, 1452784), (16, 998789), (22, 726392), (29, 551056), (31, 515504), (44, 363196), (58, 275528), (62, 257752), (88, 181598), (101, 158224), (116, 137764), (124, 128876), (176, 90799), (202, 79112), (232, 68882), (248, 64438), (319, 50096), (341, 46864), (404, 39556), (464, 34441), (496, 32219), (638, 25048), (682, 23432), (808, 19778), (899, 17776), (1111, 14384), (1276, 12524), (1364, 11716), (1616, 9889), (1798, 8888), (2222, 7192), (2552, 6262), (2728, 5858), (2929, 5456), (3131, 5104), (3596, 4444)]