81136215680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2477}}^1$

素因数の和:2667

約数の個数: 256

約数和(自身を含む): 217410600960

約数和(自身を除く): 136274385280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 127, 128, 130, 155, 160, 208, 248, 254, 260, 310, 320, 403, 416, 496, 508, 520, 620, 635, 640, 806, 832, 992, 1016, 1040, 1240, 1270, 1612, 1651, 1664, 1984, 2015, 2032, 2080, 2477, 2480, 2540, 3224, 3302, 3937, 3968, 4030, 4064, 4160, 4954, 4960, 5080, 6448, 6604, 7874, 8060, 8128, 8255, 8320, 9908, 9920, 10160, 12385, 12896, 13208, 15748, 16120, 16256, 16510, 19685, 19816, 19840, 20320, 24770, 25792, 26416, 31496, 32201, 32240, 33020, 39370, 39632, 40640, 49540, 51181, 51584, 52832, 62992, 64402, 64480, 66040, 76787, 78740, 79264, 81280, 99080, 102362, 105664, 125984, 128804, 128960, 132080, 153574, 157480, 158528, 161005, 198160, 204724, 211328, 251968, 255905, 257608, 257920, 264160, 307148, 314579, 314960, 317056, 322010, 383935, 396320, 409448, 503936, 511810, 515216, 528320, 614296, 629158, 629920, 644020, 767870, 792640, 818896, 998231, 1023620, 1030432, 1056640, 1228592, 1258316, 1259840, 1288040, 1535740, 1572895, 1585280, 1637792, 1996462, 2047240, 2060864, 2457184, 2516632, 2519680, 2576080, 3071480, 3145790, 3275584, 3992924, 4089527, 4094480, 4121728, 4914368, 4991155, 5033264, 5152160, 6142960, 6291580, 6551168, 7985848, 8179054, 8188960, 9751949, 9828736, 9982310, 10066528, 10304320, 12285920, 12583160, 15971696, 16358108, 16377920, 19503898, 19964620, 20133056, 20447635, 20608640, 24571840, 25166320, 31943392, 32716216, 32755840, 39007796, 39929240, 40266112, 40895270, 48759745, 49143680, 50332640, 63886784, 65432432, 78015592, 79858480, 81790540, 97519490, 100665280, 126775337, 127773568, 130864864, 156031184, 159716960, 163581080, 195038980, 201330560, 253550674, 261729728, 312062368, 319433920, 327162160, 390077960, 507101348, 523459456, 624124736, 633876685, 638867840, 654324320, 780155920, 1014202696, 1248249472, 1267753370, 1308648640, 1560311840, 2028405392, 2535506740, 2617297280, 3120623680, 4056810784, 5071013480, 6241247360, 8113621568, 10142026960, 16227243136, 20284053920, 40568107840, 81136215680]

約数ペア:

[(1, 81136215680), (2, 40568107840), (4, 20284053920), (5, 16227243136), (8, 10142026960), (10, 8113621568), (13, 6241247360), (16, 5071013480), (20, 4056810784), (26, 3120623680), (31, 2617297280), (32, 2535506740), (40, 2028405392), (52, 1560311840), (62, 1308648640), (64, 1267753370), (65, 1248249472), (80, 1014202696), (104, 780155920), (124, 654324320), (127, 638867840), (128, 633876685), (130, 624124736), (155, 523459456), (160, 507101348), (208, 390077960), (248, 327162160), (254, 319433920), (260, 312062368), (310, 261729728), (320, 253550674), (403, 201330560), (416, 195038980), (496, 163581080), (508, 159716960), (520, 156031184), (620, 130864864), (635, 127773568), (640, 126775337), (806, 100665280), (832, 97519490), (992, 81790540), (1016, 79858480), (1040, 78015592), (1240, 65432432), (1270, 63886784), (1612, 50332640), (1651, 49143680), (1664, 48759745), (1984, 40895270), (2015, 40266112), (2032, 39929240), (2080, 39007796), (2477, 32755840), (2480, 32716216), (2540, 31943392), (3224, 25166320), (3302, 24571840), (3937, 20608640), (3968, 20447635), (4030, 20133056), (4064, 19964620), (4160, 19503898), (4954, 16377920), (4960, 16358108), (5080, 15971696), (6448, 12583160), (6604, 12285920), (7874, 10304320), (8060, 10066528), (8128, 9982310), (8255, 9828736), (8320, 9751949), (9908, 8188960), (9920, 8179054), (10160, 7985848), (12385, 6551168), (12896, 6291580), (13208, 6142960), (15748, 5152160), (16120, 5033264), (16256, 4991155), (16510, 4914368), (19685, 4121728), (19816, 4094480), (19840, 4089527), (20320, 3992924), (24770, 3275584), (25792, 3145790), (26416, 3071480), (31496, 2576080), (32201, 2519680), (32240, 2516632), (33020, 2457184), (39370, 2060864), (39632, 2047240), (40640, 1996462), (49540, 1637792), (51181, 1585280), (51584, 1572895), (52832, 1535740), (62992, 1288040), (64402, 1259840), (64480, 1258316), (66040, 1228592), (76787, 1056640), (78740, 1030432), (79264, 1023620), (81280, 998231), (99080, 818896), (102362, 792640), (105664, 767870), (125984, 644020), (128804, 629920), (128960, 629158), (132080, 614296), (153574, 528320), (157480, 515216), (158528, 511810), (161005, 503936), (198160, 409448), (204724, 396320), (211328, 383935), (251968, 322010), (255905, 317056), (257608, 314960), (257920, 314579), (264160, 307148)]