81267888

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 160

約数和(自身を含む): 245984256

約数和(自身を除く): 164716368

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 47, 48, 51, 52, 68, 78, 94, 102, 104, 136, 141, 156, 163, 188, 204, 208, 221, 272, 282, 312, 326, 376, 408, 442, 489, 564, 611, 624, 652, 663, 752, 799, 816, 884, 978, 1128, 1222, 1304, 1326, 1598, 1768, 1833, 1956, 2119, 2256, 2397, 2444, 2608, 2652, 2771, 3196, 3536, 3666, 3912, 4238, 4794, 4888, 5304, 5542, 6357, 6392, 7332, 7661, 7824, 8313, 8476, 9588, 9776, 10387, 10608, 11084, 12714, 12784, 14664, 15322, 16626, 16952, 19176, 20774, 22168, 22983, 25428, 29328, 30644, 31161, 33252, 33904, 36023, 38352, 41548, 44336, 45966, 50856, 61288, 62322, 66504, 72046, 83096, 91932, 99593, 101712, 108069, 122576, 124644, 130237, 133008, 144092, 166192, 183864, 199186, 216138, 249288, 260474, 288184, 298779, 367728, 390711, 398372, 432276, 498576, 520948, 576368, 597558, 781422, 796744, 864552, 1041896, 1195116, 1562844, 1593488, 1693081, 1729104, 2083792, 2390232, 3125688, 3386162, 4780464, 5079243, 6251376, 6772324, 10158486, 13544648, 20316972, 27089296, 40633944, 81267888]

約数ペア:

[(1, 81267888), (2, 40633944), (3, 27089296), (4, 20316972), (6, 13544648), (8, 10158486), (12, 6772324), (13, 6251376), (16, 5079243), (17, 4780464), (24, 3386162), (26, 3125688), (34, 2390232), (39, 2083792), (47, 1729104), (48, 1693081), (51, 1593488), (52, 1562844), (68, 1195116), (78, 1041896), (94, 864552), (102, 796744), (104, 781422), (136, 597558), (141, 576368), (156, 520948), (163, 498576), (188, 432276), (204, 398372), (208, 390711), (221, 367728), (272, 298779), (282, 288184), (312, 260474), (326, 249288), (376, 216138), (408, 199186), (442, 183864), (489, 166192), (564, 144092), (611, 133008), (624, 130237), (652, 124644), (663, 122576), (752, 108069), (799, 101712), (816, 99593), (884, 91932), (978, 83096), (1128, 72046), (1222, 66504), (1304, 62322), (1326, 61288), (1598, 50856), (1768, 45966), (1833, 44336), (1956, 41548), (2119, 38352), (2256, 36023), (2397, 33904), (2444, 33252), (2608, 31161), (2652, 30644), (2771, 29328), (3196, 25428), (3536, 22983), (3666, 22168), (3912, 20774), (4238, 19176), (4794, 16952), (4888, 16626), (5304, 15322), (5542, 14664), (6357, 12784), (6392, 12714), (7332, 11084), (7661, 10608), (7824, 10387), (8313, 9776), (8476, 9588)]