243395840

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 618105600

約数和(自身を除く): 374709760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 79, 80, 83, 116, 128, 145, 158, 160, 166, 232, 256, 290, 316, 320, 332, 395, 415, 464, 580, 632, 640, 664, 790, 830, 928, 1160, 1264, 1280, 1328, 1580, 1660, 1856, 2291, 2320, 2407, 2528, 2656, 3160, 3320, 3712, 4582, 4640, 4814, 5056, 5312, 6320, 6557, 6640, 7424, 9164, 9280, 9628, 10112, 10624, 11455, 12035, 12640, 13114, 13280, 18328, 18560, 19256, 20224, 21248, 22910, 24070, 25280, 26228, 26560, 32785, 36656, 37120, 38512, 45820, 48140, 50560, 52456, 53120, 65570, 73312, 77024, 91640, 96280, 101120, 104912, 106240, 131140, 146624, 154048, 183280, 190153, 192560, 209824, 262280, 293248, 308096, 366560, 380306, 385120, 419648, 524560, 586496, 616192, 733120, 760612, 770240, 839296, 950765, 1049120, 1466240, 1521224, 1540480, 1678592, 1901530, 2098240, 2932480, 3042448, 3080960, 3803060, 4196480, 6084896, 7606120, 8392960, 12169792, 15212240, 24339584, 30424480, 48679168, 60848960, 121697920, 243395840]

約数ペア:

[(1, 243395840), (2, 121697920), (4, 60848960), (5, 48679168), (8, 30424480), (10, 24339584), (16, 15212240), (20, 12169792), (29, 8392960), (32, 7606120), (40, 6084896), (58, 4196480), (64, 3803060), (79, 3080960), (80, 3042448), (83, 2932480), (116, 2098240), (128, 1901530), (145, 1678592), (158, 1540480), (160, 1521224), (166, 1466240), (232, 1049120), (256, 950765), (290, 839296), (316, 770240), (320, 760612), (332, 733120), (395, 616192), (415, 586496), (464, 524560), (580, 419648), (632, 385120), (640, 380306), (664, 366560), (790, 308096), (830, 293248), (928, 262280), (1160, 209824), (1264, 192560), (1280, 190153), (1328, 183280), (1580, 154048), (1660, 146624), (1856, 131140), (2291, 106240), (2320, 104912), (2407, 101120), (2528, 96280), (2656, 91640), (3160, 77024), (3320, 73312), (3712, 65570), (4582, 53120), (4640, 52456), (4814, 50560), (5056, 48140), (5312, 45820), (6320, 38512), (6557, 37120), (6640, 36656), (7424, 32785), (9164, 26560), (9280, 26228), (9628, 25280), (10112, 24070), (10624, 22910), (11455, 21248), (12035, 20224), (12640, 19256), (13114, 18560), (13280, 18328)]