65894920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 187165440

約数和(自身を除く): 121270520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 91, 104, 130, 140, 172, 182, 215, 260, 280, 301, 344, 364, 421, 430, 455, 520, 559, 602, 728, 842, 860, 910, 1118, 1204, 1505, 1684, 1720, 1820, 2105, 2236, 2408, 2795, 2947, 3010, 3368, 3640, 3913, 4210, 4472, 5473, 5590, 5894, 6020, 7826, 8420, 10946, 11180, 11788, 12040, 14735, 15652, 16840, 18103, 19565, 21892, 22360, 23576, 27365, 29470, 31304, 36206, 38311, 39130, 43784, 54730, 58940, 72412, 76622, 78260, 90515, 109460, 117880, 126721, 144824, 153244, 156520, 181030, 191555, 218920, 235339, 253442, 306488, 362060, 383110, 470678, 506884, 633605, 724120, 766220, 941356, 1013768, 1176695, 1267210, 1532440, 1647373, 1882712, 2353390, 2534420, 3294746, 4706780, 5068840, 6589492, 8236865, 9413560, 13178984, 16473730, 32947460, 65894920]

約数ペア:

[(1, 65894920), (2, 32947460), (4, 16473730), (5, 13178984), (7, 9413560), (8, 8236865), (10, 6589492), (13, 5068840), (14, 4706780), (20, 3294746), (26, 2534420), (28, 2353390), (35, 1882712), (40, 1647373), (43, 1532440), (52, 1267210), (56, 1176695), (65, 1013768), (70, 941356), (86, 766220), (91, 724120), (104, 633605), (130, 506884), (140, 470678), (172, 383110), (182, 362060), (215, 306488), (260, 253442), (280, 235339), (301, 218920), (344, 191555), (364, 181030), (421, 156520), (430, 153244), (455, 144824), (520, 126721), (559, 117880), (602, 109460), (728, 90515), (842, 78260), (860, 76622), (910, 72412), (1118, 58940), (1204, 54730), (1505, 43784), (1684, 39130), (1720, 38311), (1820, 36206), (2105, 31304), (2236, 29470), (2408, 27365), (2795, 23576), (2947, 22360), (3010, 21892), (3368, 19565), (3640, 18103), (3913, 16840), (4210, 15652), (4472, 14735), (5473, 12040), (5590, 11788), (5894, 11180), (6020, 10946), (7826, 8420)]