80799840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5101}}^1$

素因数の和:5133

約数の個数: 144

約数和(自身を含む): 300854736

約数和(自身を除く): 220054896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5101, 5280, 7920, 10202, 15303, 15840, 20404, 25505, 30606, 40808, 45909, 51010, 56111, 61212, 76515, 81616, 91818, 102020, 112222, 122424, 153030, 163232, 168333, 183636, 204040, 224444, 229545, 244848, 280555, 306060, 336666, 367272, 408080, 448888, 459090, 489696, 504999, 561110, 612120, 673332, 734544, 816160, 841665, 897776, 918180, 1009998, 1122220, 1224240, 1346664, 1469088, 1683330, 1795552, 1836360, 2019996, 2244440, 2448480, 2524995, 2693328, 3366660, 3672720, 4039992, 4488880, 5049990, 5386656, 6733320, 7345440, 8079984, 8977760, 10099980, 13466640, 16159968, 20199960, 26933280, 40399920, 80799840]

約数ペア:

[(1, 80799840), (2, 40399920), (3, 26933280), (4, 20199960), (5, 16159968), (6, 13466640), (8, 10099980), (9, 8977760), (10, 8079984), (11, 7345440), (12, 6733320), (15, 5386656), (16, 5049990), (18, 4488880), (20, 4039992), (22, 3672720), (24, 3366660), (30, 2693328), (32, 2524995), (33, 2448480), (36, 2244440), (40, 2019996), (44, 1836360), (45, 1795552), (48, 1683330), (55, 1469088), (60, 1346664), (66, 1224240), (72, 1122220), (80, 1009998), (88, 918180), (90, 897776), (96, 841665), (99, 816160), (110, 734544), (120, 673332), (132, 612120), (144, 561110), (160, 504999), (165, 489696), (176, 459090), (180, 448888), (198, 408080), (220, 367272), (240, 336666), (264, 306060), (288, 280555), (330, 244848), (352, 229545), (360, 224444), (396, 204040), (440, 183636), (480, 168333), (495, 163232), (528, 153030), (660, 122424), (720, 112222), (792, 102020), (880, 91818), (990, 81616), (1056, 76515), (1320, 61212), (1440, 56111), (1584, 51010), (1760, 45909), (1980, 40808), (2640, 30606), (3168, 25505), (3960, 20404), (5101, 15840), (5280, 15303), (7920, 10202)]