290708080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 767950848

約数和(自身を除く): 477242768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 71, 80, 104, 124, 127, 130, 142, 155, 208, 248, 254, 260, 284, 310, 355, 403, 496, 508, 520, 568, 620, 635, 710, 806, 923, 1016, 1040, 1136, 1240, 1270, 1420, 1612, 1651, 1846, 2015, 2032, 2201, 2480, 2540, 2840, 3224, 3302, 3692, 3937, 4030, 4402, 4615, 5080, 5680, 6448, 6604, 7384, 7874, 8060, 8255, 8804, 9017, 9230, 10160, 11005, 13208, 14768, 15748, 16120, 16510, 17608, 18034, 18460, 19685, 22010, 26416, 28613, 31496, 32240, 33020, 35216, 36068, 36920, 39370, 44020, 45085, 51181, 57226, 62992, 66040, 72136, 73840, 78740, 88040, 90170, 102362, 114452, 117221, 132080, 143065, 144272, 157480, 176080, 180340, 204724, 228904, 234442, 255905, 279527, 286130, 314960, 360680, 409448, 457808, 468884, 511810, 559054, 572260, 586105, 721360, 818896, 937768, 1023620, 1118108, 1144520, 1172210, 1397635, 1875536, 2047240, 2236216, 2289040, 2344420, 2795270, 3633851, 4094480, 4472432, 4688840, 5590540, 7267702, 9377680, 11181080, 14535404, 18169255, 22362160, 29070808, 36338510, 58141616, 72677020, 145354040, 290708080]

約数ペア:

[(1, 290708080), (2, 145354040), (4, 72677020), (5, 58141616), (8, 36338510), (10, 29070808), (13, 22362160), (16, 18169255), (20, 14535404), (26, 11181080), (31, 9377680), (40, 7267702), (52, 5590540), (62, 4688840), (65, 4472432), (71, 4094480), (80, 3633851), (104, 2795270), (124, 2344420), (127, 2289040), (130, 2236216), (142, 2047240), (155, 1875536), (208, 1397635), (248, 1172210), (254, 1144520), (260, 1118108), (284, 1023620), (310, 937768), (355, 818896), (403, 721360), (496, 586105), (508, 572260), (520, 559054), (568, 511810), (620, 468884), (635, 457808), (710, 409448), (806, 360680), (923, 314960), (1016, 286130), (1040, 279527), (1136, 255905), (1240, 234442), (1270, 228904), (1420, 204724), (1612, 180340), (1651, 176080), (1846, 157480), (2015, 144272), (2032, 143065), (2201, 132080), (2480, 117221), (2540, 114452), (2840, 102362), (3224, 90170), (3302, 88040), (3692, 78740), (3937, 73840), (4030, 72136), (4402, 66040), (4615, 62992), (5080, 57226), (5680, 51181), (6448, 45085), (6604, 44020), (7384, 39370), (7874, 36920), (8060, 36068), (8255, 35216), (8804, 33020), (9017, 32240), (9230, 31496), (10160, 28613), (11005, 26416), (13208, 22010), (14768, 19685), (15748, 18460), (16120, 18034), (16510, 17608)]