81702256

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 173560320

約数和(自身を除く): 91858064

約数列:

[1, 2, 4, 8, 16, 23, 46, 53, 59, 71, 92, 106, 118, 142, 184, 212, 236, 284, 368, 424, 472, 568, 848, 944, 1136, 1219, 1357, 1633, 2438, 2714, 3127, 3266, 3763, 4189, 4876, 5428, 6254, 6532, 7526, 8378, 9752, 10856, 12508, 13064, 15052, 16756, 19504, 21712, 25016, 26128, 30104, 33512, 50032, 60208, 67024, 71921, 86549, 96347, 143842, 173098, 192694, 222017, 287684, 346196, 385388, 444034, 575368, 692392, 770776, 888068, 1150736, 1384784, 1541552, 1776136, 3552272, 5106391, 10212782, 20425564, 40851128, 81702256]

約数ペア:

[(1, 81702256), (2, 40851128), (4, 20425564), (8, 10212782), (16, 5106391), (23, 3552272), (46, 1776136), (53, 1541552), (59, 1384784), (71, 1150736), (92, 888068), (106, 770776), (118, 692392), (142, 575368), (184, 444034), (212, 385388), (236, 346196), (284, 287684), (368, 222017), (424, 192694), (472, 173098), (568, 143842), (848, 96347), (944, 86549), (1136, 71921), (1219, 67024), (1357, 60208), (1633, 50032), (2438, 33512), (2714, 30104), (3127, 26128), (3266, 25016), (3763, 21712), (4189, 19504), (4876, 16756), (5428, 15052), (6254, 13064), (6532, 12508), (7526, 10856), (8378, 9752)]