16744431520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^2$

素因数の和:647

約数の個数: 144

約数和(自身を含む): 42517991880

約数和(自身を除く): 25773560360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 89, 136, 160, 170, 178, 263, 272, 340, 356, 445, 526, 544, 680, 712, 890, 1052, 1315, 1360, 1424, 1513, 1780, 2104, 2630, 2720, 2848, 3026, 3560, 4208, 4471, 5260, 6052, 7120, 7565, 8416, 8942, 10520, 12104, 14240, 15130, 17884, 21040, 22355, 23407, 24208, 30260, 35768, 42080, 44710, 46814, 48416, 60520, 69169, 71536, 89420, 93628, 117035, 121040, 138338, 143072, 178840, 187256, 234070, 242080, 276676, 345845, 357680, 374512, 397919, 468140, 553352, 691690, 715360, 749024, 795838, 936280, 1106704, 1175873, 1383380, 1591676, 1872560, 1989595, 2213408, 2351746, 2766760, 3183352, 3745120, 3979190, 4703492, 5533520, 5879365, 6156041, 6366704, 7958380, 9406984, 11067040, 11758730, 12312082, 12733408, 15916760, 18813968, 23517460, 24624164, 30780205, 31833520, 37627936, 47034920, 49248328, 61560410, 63667040, 94069840, 98496656, 104652697, 123120820, 188139680, 196993312, 209305394, 246241640, 418610788, 492483280, 523263485, 837221576, 984966560, 1046526970, 1674443152, 2093053940, 3348886304, 4186107880, 8372215760, 16744431520]

約数ペア:

[(1, 16744431520), (2, 8372215760), (4, 4186107880), (5, 3348886304), (8, 2093053940), (10, 1674443152), (16, 1046526970), (17, 984966560), (20, 837221576), (32, 523263485), (34, 492483280), (40, 418610788), (68, 246241640), (80, 209305394), (85, 196993312), (89, 188139680), (136, 123120820), (160, 104652697), (170, 98496656), (178, 94069840), (263, 63667040), (272, 61560410), (340, 49248328), (356, 47034920), (445, 37627936), (526, 31833520), (544, 30780205), (680, 24624164), (712, 23517460), (890, 18813968), (1052, 15916760), (1315, 12733408), (1360, 12312082), (1424, 11758730), (1513, 11067040), (1780, 9406984), (2104, 7958380), (2630, 6366704), (2720, 6156041), (2848, 5879365), (3026, 5533520), (3560, 4703492), (4208, 3979190), (4471, 3745120), (5260, 3183352), (6052, 2766760), (7120, 2351746), (7565, 2213408), (8416, 1989595), (8942, 1872560), (10520, 1591676), (12104, 1383380), (14240, 1175873), (15130, 1106704), (17884, 936280), (21040, 795838), (22355, 749024), (23407, 715360), (24208, 691690), (30260, 553352), (35768, 468140), (42080, 397919), (44710, 374512), (46814, 357680), (48416, 345845), (60520, 276676), (69169, 242080), (71536, 234070), (89420, 187256), (93628, 178840), (117035, 143072), (121040, 138338)]