281877120

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{6991}}^1$

素因数の和:7023

約数の個数: 192

約数和(自身を含む): 1112567040

約数和(自身を除く): 830689920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 6991, 8064, 10080, 13440, 13982, 20160, 20973, 27964, 34955, 40320, 41946, 48937, 55928, 62919, 69910, 83892, 97874, 104865, 111856, 125838, 139820, 146811, 167784, 195748, 209730, 223712, 244685, 251676, 279640, 293622, 314595, 335568, 391496, 419460, 440433, 447424, 489370, 503352, 559280, 587244, 629190, 671136, 734055, 782992, 838920, 880866, 894848, 978740, 1006704, 1118560, 1174488, 1258380, 1342272, 1468110, 1565984, 1677840, 1761732, 1957480, 2013408, 2202165, 2237120, 2348976, 2516760, 2684544, 2936220, 3131968, 3355680, 3523464, 3914960, 4026816, 4404330, 4474240, 4697952, 5033520, 5872440, 6263936, 6711360, 7046928, 7829920, 8053632, 8808660, 9395904, 10067040, 11744880, 13422720, 14093856, 15659840, 17617320, 18791808, 20134080, 23489760, 28187712, 31319680, 35234640, 40268160, 46979520, 56375424, 70469280, 93959040, 140938560, 281877120]

約数ペア:

[(1, 281877120), (2, 140938560), (3, 93959040), (4, 70469280), (5, 56375424), (6, 46979520), (7, 40268160), (8, 35234640), (9, 31319680), (10, 28187712), (12, 23489760), (14, 20134080), (15, 18791808), (16, 17617320), (18, 15659840), (20, 14093856), (21, 13422720), (24, 11744880), (28, 10067040), (30, 9395904), (32, 8808660), (35, 8053632), (36, 7829920), (40, 7046928), (42, 6711360), (45, 6263936), (48, 5872440), (56, 5033520), (60, 4697952), (63, 4474240), (64, 4404330), (70, 4026816), (72, 3914960), (80, 3523464), (84, 3355680), (90, 3131968), (96, 2936220), (105, 2684544), (112, 2516760), (120, 2348976), (126, 2237120), (128, 2202165), (140, 2013408), (144, 1957480), (160, 1761732), (168, 1677840), (180, 1565984), (192, 1468110), (210, 1342272), (224, 1258380), (240, 1174488), (252, 1118560), (280, 1006704), (288, 978740), (315, 894848), (320, 880866), (336, 838920), (360, 782992), (384, 734055), (420, 671136), (448, 629190), (480, 587244), (504, 559280), (560, 503352), (576, 489370), (630, 447424), (640, 440433), (672, 419460), (720, 391496), (840, 335568), (896, 314595), (960, 293622), (1008, 279640), (1120, 251676), (1152, 244685), (1260, 223712), (1344, 209730), (1440, 195748), (1680, 167784), (1920, 146811), (2016, 139820), (2240, 125838), (2520, 111856), (2688, 104865), (2880, 97874), (3360, 83892), (4032, 69910), (4480, 62919), (5040, 55928), (5760, 48937), (6720, 41946), (6991, 40320), (8064, 34955), (10080, 27964), (13440, 20973), (13982, 20160)]