128400567444

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{56311}}^1$

素因数の和:56858

約数の個数: 96

約数和(自身を含む): 341331809280

約数和(自身を除く): 212931241836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 491, 516, 774, 982, 1161, 1473, 1548, 1964, 2322, 2946, 4419, 4644, 5892, 8838, 13257, 17676, 21113, 26514, 42226, 53028, 56311, 63339, 84452, 112622, 126678, 168933, 190017, 225244, 253356, 337866, 380034, 506799, 570051, 675732, 760068, 1013598, 1140102, 1520397, 2027196, 2280204, 2421373, 3040794, 4842746, 6081588, 7264119, 9685492, 14528238, 21792357, 27648701, 29056476, 43584714, 55297402, 65377071, 82946103, 87169428, 110594804, 130754142, 165892206, 248838309, 261508284, 331784412, 497676618, 746514927, 995353236, 1188894143, 1493029854, 2377788286, 2986059708, 3566682429, 4755576572, 7133364858, 10700047287, 14266729716, 21400094574, 32100141861, 42800189148, 64200283722, 128400567444]

約数ペア:

[(1, 128400567444), (2, 64200283722), (3, 42800189148), (4, 32100141861), (6, 21400094574), (9, 14266729716), (12, 10700047287), (18, 7133364858), (27, 4755576572), (36, 3566682429), (43, 2986059708), (54, 2377788286), (86, 1493029854), (108, 1188894143), (129, 995353236), (172, 746514927), (258, 497676618), (387, 331784412), (491, 261508284), (516, 248838309), (774, 165892206), (982, 130754142), (1161, 110594804), (1473, 87169428), (1548, 82946103), (1964, 65377071), (2322, 55297402), (2946, 43584714), (4419, 29056476), (4644, 27648701), (5892, 21792357), (8838, 14528238), (13257, 9685492), (17676, 7264119), (21113, 6081588), (26514, 4842746), (42226, 3040794), (53028, 2421373), (56311, 2280204), (63339, 2027196), (84452, 1520397), (112622, 1140102), (126678, 1013598), (168933, 760068), (190017, 675732), (225244, 570051), (253356, 506799), (337866, 380034)]