81940896

素因数分解:

$2^5\times 3^4\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:436

約数の個数: 120

約数和(自身を含む): 244149444

約数和(自身を除く): 162208548

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 101, 108, 144, 162, 202, 216, 288, 303, 313, 324, 404, 432, 606, 626, 648, 808, 864, 909, 939, 1212, 1252, 1296, 1616, 1818, 1878, 2424, 2504, 2592, 2727, 2817, 3232, 3636, 3756, 4848, 5008, 5454, 5634, 7272, 7512, 8181, 8451, 9696, 10016, 10908, 11268, 14544, 15024, 16362, 16902, 21816, 22536, 25353, 29088, 30048, 31613, 32724, 33804, 43632, 45072, 50706, 63226, 65448, 67608, 87264, 90144, 94839, 101412, 126452, 130896, 135216, 189678, 202824, 252904, 261792, 270432, 284517, 379356, 405648, 505808, 569034, 758712, 811296, 853551, 1011616, 1138068, 1517424, 1707102, 2276136, 2560653, 3034848, 3414204, 4552272, 5121306, 6828408, 9104544, 10242612, 13656816, 20485224, 27313632, 40970448, 81940896]

約数ペア:

[(1, 81940896), (2, 40970448), (3, 27313632), (4, 20485224), (6, 13656816), (8, 10242612), (9, 9104544), (12, 6828408), (16, 5121306), (18, 4552272), (24, 3414204), (27, 3034848), (32, 2560653), (36, 2276136), (48, 1707102), (54, 1517424), (72, 1138068), (81, 1011616), (96, 853551), (101, 811296), (108, 758712), (144, 569034), (162, 505808), (202, 405648), (216, 379356), (288, 284517), (303, 270432), (313, 261792), (324, 252904), (404, 202824), (432, 189678), (606, 135216), (626, 130896), (648, 126452), (808, 101412), (864, 94839), (909, 90144), (939, 87264), (1212, 67608), (1252, 65448), (1296, 63226), (1616, 50706), (1818, 45072), (1878, 43632), (2424, 33804), (2504, 32724), (2592, 31613), (2727, 30048), (2817, 29088), (3232, 25353), (3636, 22536), (3756, 21816), (4848, 16902), (5008, 16362), (5454, 15024), (5634, 14544), (7272, 11268), (7512, 10908), (8181, 10016), (8451, 9696)]