40221671680

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{2309}}^1$

素因数の和:2800

約数の個数: 144

約数和(自身を含む): 99721036800

約数和(自身を除く): 59499365120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 439, 496, 620, 640, 878, 992, 1240, 1280, 1756, 1984, 2195, 2309, 2480, 3512, 3968, 4390, 4618, 4960, 7024, 7936, 8780, 9236, 9920, 11545, 13609, 14048, 17560, 18472, 19840, 23090, 27218, 28096, 35120, 36944, 39680, 46180, 54436, 56192, 68045, 70240, 71579, 73888, 92360, 108872, 112384, 136090, 140480, 143158, 147776, 184720, 217744, 272180, 280960, 286316, 295552, 357895, 369440, 435488, 544360, 561920, 572632, 591104, 715790, 738880, 870976, 1013651, 1088720, 1145264, 1431580, 1477760, 1741952, 2027302, 2177440, 2290528, 2863160, 2955520, 3483904, 4054604, 4354880, 4581056, 5068255, 5726320, 8109208, 8709760, 9162112, 10136510, 11452640, 16218416, 17419520, 18324224, 20273020, 22905280, 31423181, 32436832, 40546040, 45810560, 62846362, 64873664, 81092080, 91621120, 125692724, 129747328, 157115905, 162184160, 251385448, 259494656, 314231810, 324368320, 502770896, 628463620, 648736640, 1005541792, 1256927240, 1297473280, 2011083584, 2513854480, 4022167168, 5027708960, 8044334336, 10055417920, 20110835840, 40221671680]

約数ペア:

[(1, 40221671680), (2, 20110835840), (4, 10055417920), (5, 8044334336), (8, 5027708960), (10, 4022167168), (16, 2513854480), (20, 2011083584), (31, 1297473280), (32, 1256927240), (40, 1005541792), (62, 648736640), (64, 628463620), (80, 502770896), (124, 324368320), (128, 314231810), (155, 259494656), (160, 251385448), (248, 162184160), (256, 157115905), (310, 129747328), (320, 125692724), (439, 91621120), (496, 81092080), (620, 64873664), (640, 62846362), (878, 45810560), (992, 40546040), (1240, 32436832), (1280, 31423181), (1756, 22905280), (1984, 20273020), (2195, 18324224), (2309, 17419520), (2480, 16218416), (3512, 11452640), (3968, 10136510), (4390, 9162112), (4618, 8709760), (4960, 8109208), (7024, 5726320), (7936, 5068255), (8780, 4581056), (9236, 4354880), (9920, 4054604), (11545, 3483904), (13609, 2955520), (14048, 2863160), (17560, 2290528), (18472, 2177440), (19840, 2027302), (23090, 1741952), (27218, 1477760), (28096, 1431580), (35120, 1145264), (36944, 1088720), (39680, 1013651), (46180, 870976), (54436, 738880), (56192, 715790), (68045, 591104), (70240, 572632), (71579, 561920), (73888, 544360), (92360, 435488), (108872, 369440), (112384, 357895), (136090, 295552), (140480, 286316), (143158, 280960), (147776, 272180), (184720, 217744)]