2861987840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1039}}^1$

素因数の和:1335

約数の個数: 96

約数和(自身を含む): 6899256000

約数和(自身を除く): 4037268160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 269, 320, 512, 538, 640, 1024, 1039, 1076, 1280, 1345, 2048, 2078, 2152, 2560, 2690, 4156, 4304, 5120, 5195, 5380, 8312, 8608, 10240, 10390, 10760, 16624, 17216, 20780, 21520, 33248, 34432, 41560, 43040, 66496, 68864, 83120, 86080, 132992, 137728, 166240, 172160, 265984, 275456, 279491, 332480, 344320, 531968, 550912, 558982, 664960, 688640, 1063936, 1117964, 1329920, 1377280, 1397455, 2127872, 2235928, 2659840, 2754560, 2794910, 4471856, 5319680, 5589820, 8943712, 10639360, 11179640, 17887424, 22359280, 35774848, 44718560, 71549696, 89437120, 143099392, 178874240, 286198784, 357748480, 572397568, 715496960, 1430993920, 2861987840]

約数ペア:

[(1, 2861987840), (2, 1430993920), (4, 715496960), (5, 572397568), (8, 357748480), (10, 286198784), (16, 178874240), (20, 143099392), (32, 89437120), (40, 71549696), (64, 44718560), (80, 35774848), (128, 22359280), (160, 17887424), (256, 11179640), (269, 10639360), (320, 8943712), (512, 5589820), (538, 5319680), (640, 4471856), (1024, 2794910), (1039, 2754560), (1076, 2659840), (1280, 2235928), (1345, 2127872), (2048, 1397455), (2078, 1377280), (2152, 1329920), (2560, 1117964), (2690, 1063936), (4156, 688640), (4304, 664960), (5120, 558982), (5195, 550912), (5380, 531968), (8312, 344320), (8608, 332480), (10240, 279491), (10390, 275456), (10760, 265984), (16624, 172160), (17216, 166240), (20780, 137728), (21520, 132992), (33248, 86080), (34432, 83120), (41560, 68864), (43040, 66496)]