168520960

素因数分解:

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

素因数の和:220

約数の個数: 108

約数和(自身を含む): 420146244

約数和(自身を除く): 251625284

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, 961, 992, 1096, 1240, 1280, 1370, 1922, 1984, 2192, 2480, 2740, 3844, 3968, 4247, 4384, 4805, 4960, 5480, 7688, 7936, 8494, 8768, 9610, 9920, 10960, 15376, 16988, 17536, 19220, 19840, 21235, 21920, 30752, 33976, 35072, 38440, 39680, 42470, 43840, 61504, 67952, 76880, 84940, 87680, 123008, 131657, 135904, 153760, 169880, 175360, 246016, 263314, 271808, 307520, 339760, 526628, 543616, 615040, 658285, 679520, 1053256, 1087232, 1230080, 1316570, 1359040, 2106512, 2633140, 2718080, 4213024, 5266280, 5436160, 8426048, 10532560, 16852096, 21065120, 33704192, 42130240, 84260480, 168520960]

約数ペア:

[(1, 168520960), (2, 84260480), (4, 42130240), (5, 33704192), (8, 21065120), (10, 16852096), (16, 10532560), (20, 8426048), (31, 5436160), (32, 5266280), (40, 4213024), (62, 2718080), (64, 2633140), (80, 2106512), (124, 1359040), (128, 1316570), (137, 1230080), (155, 1087232), (160, 1053256), (248, 679520), (256, 658285), (274, 615040), (310, 543616), (320, 526628), (496, 339760), (548, 307520), (620, 271808), (640, 263314), (685, 246016), (961, 175360), (992, 169880), (1096, 153760), (1240, 135904), (1280, 131657), (1370, 123008), (1922, 87680), (1984, 84940), (2192, 76880), (2480, 67952), (2740, 61504), (3844, 43840), (3968, 42470), (4247, 39680), (4384, 38440), (4805, 35072), (4960, 33976), (5480, 30752), (7688, 21920), (7936, 21235), (8494, 19840), (8768, 19220), (9610, 17536), (9920, 16988), (10960, 15376)]