744753920

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^2$

素因数の和:326

約数の個数: 108

約数和(自身を含む): 1855003584

約数和(自身を除く): 1110249664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 137, 155, 160, 248, 256, 274, 310, 320, 496, 548, 620, 640, 685, 992, 1096, 1240, 1280, 1370, 1984, 2192, 2480, 2740, 3968, 4247, 4384, 4960, 5480, 7936, 8494, 8768, 9920, 10960, 16988, 17536, 18769, 19840, 21235, 21920, 33976, 35072, 37538, 39680, 42470, 43840, 67952, 75076, 84940, 87680, 93845, 135904, 150152, 169880, 175360, 187690, 271808, 300304, 339760, 375380, 543616, 581839, 600608, 679520, 750760, 1087232, 1163678, 1201216, 1359040, 1501520, 2327356, 2402432, 2718080, 2909195, 3003040, 4654712, 4804864, 5436160, 5818390, 6006080, 9309424, 11636780, 12012160, 18618848, 23273560, 24024320, 37237696, 46547120, 74475392, 93094240, 148950784, 186188480, 372376960, 744753920]

約数ペア:

[(1, 744753920), (2, 372376960), (4, 186188480), (5, 148950784), (8, 93094240), (10, 74475392), (16, 46547120), (20, 37237696), (31, 24024320), (32, 23273560), (40, 18618848), (62, 12012160), (64, 11636780), (80, 9309424), (124, 6006080), (128, 5818390), (137, 5436160), (155, 4804864), (160, 4654712), (248, 3003040), (256, 2909195), (274, 2718080), (310, 2402432), (320, 2327356), (496, 1501520), (548, 1359040), (620, 1201216), (640, 1163678), (685, 1087232), (992, 750760), (1096, 679520), (1240, 600608), (1280, 581839), (1370, 543616), (1984, 375380), (2192, 339760), (2480, 300304), (2740, 271808), (3968, 187690), (4247, 175360), (4384, 169880), (4960, 150152), (5480, 135904), (7936, 93845), (8494, 87680), (8768, 84940), (9920, 75076), (10960, 67952), (16988, 43840), (17536, 42470), (18769, 39680), (19840, 37538), (21235, 35072), (21920, 33976)]