281377090540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{160877}}^1$

素因数の和:160968

約数の個数: 144

約数和(自身を含む): 751472721216

約数和(自身を除く): 470095630676

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 961, 1085, 1612, 1820, 1922, 2015, 2170, 2821, 3844, 4030, 4340, 4805, 5642, 6727, 8060, 9610, 11284, 12493, 13454, 14105, 19220, 24986, 26908, 28210, 33635, 49972, 56420, 62465, 67270, 87451, 124930, 134540, 160877, 174902, 249860, 321754, 349804, 437255, 643508, 804385, 874510, 1126139, 1608770, 1749020, 2091401, 2252278, 3217540, 4182802, 4504556, 4987187, 5630695, 8365604, 9974374, 10457005, 11261390, 14639807, 19948748, 20914010, 22522780, 24935935, 29279614, 34910309, 41828020, 49871870, 58559228, 64833431, 69820618, 73199035, 99743740, 129666862, 139641236, 146398070, 154602797, 174551545, 259333724, 292796140, 309205594, 324167155, 349103090, 453834017, 618411188, 648334310, 698206180, 773013985, 907668034, 1082219579, 1296668620, 1546027970, 1815336068, 2009836361, 2164439158, 2269170085, 3092055940, 4019672722, 4328878316, 4538340170, 5411097895, 8039345444, 9076680340, 10049181805, 10822195790, 14068854527, 20098363610, 21644391580, 28137709054, 40196727220, 56275418108, 70344272635, 140688545270, 281377090540]

約数ペア:

[(1, 281377090540), (2, 140688545270), (4, 70344272635), (5, 56275418108), (7, 40196727220), (10, 28137709054), (13, 21644391580), (14, 20098363610), (20, 14068854527), (26, 10822195790), (28, 10049181805), (31, 9076680340), (35, 8039345444), (52, 5411097895), (62, 4538340170), (65, 4328878316), (70, 4019672722), (91, 3092055940), (124, 2269170085), (130, 2164439158), (140, 2009836361), (155, 1815336068), (182, 1546027970), (217, 1296668620), (260, 1082219579), (310, 907668034), (364, 773013985), (403, 698206180), (434, 648334310), (455, 618411188), (620, 453834017), (806, 349103090), (868, 324167155), (910, 309205594), (961, 292796140), (1085, 259333724), (1612, 174551545), (1820, 154602797), (1922, 146398070), (2015, 139641236), (2170, 129666862), (2821, 99743740), (3844, 73199035), (4030, 69820618), (4340, 64833431), (4805, 58559228), (5642, 49871870), (6727, 41828020), (8060, 34910309), (9610, 29279614), (11284, 24935935), (12493, 22522780), (13454, 20914010), (14105, 19948748), (19220, 14639807), (24986, 11261390), (26908, 10457005), (28210, 9974374), (33635, 8365604), (49972, 5630695), (56420, 4987187), (62465, 4504556), (67270, 4182802), (87451, 3217540), (124930, 2252278), (134540, 2091401), (160877, 1749020), (174902, 1608770), (249860, 1126139), (321754, 874510), (349804, 804385), (437255, 643508)]