289233280

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:457

約数の個数: 192

約数和(自身を含む): 841402080

約数和(自身を除く): 552168800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 128, 140, 160, 161, 184, 196, 224, 230, 245, 280, 320, 322, 368, 392, 401, 448, 460, 490, 560, 640, 644, 736, 784, 802, 805, 896, 920, 980, 1120, 1127, 1288, 1472, 1568, 1604, 1610, 1840, 1960, 2005, 2240, 2254, 2576, 2807, 2944, 3136, 3208, 3220, 3680, 3920, 4010, 4480, 4508, 5152, 5614, 5635, 6272, 6416, 6440, 7360, 7840, 8020, 9016, 9223, 10304, 11228, 11270, 12832, 12880, 14035, 14720, 15680, 16040, 18032, 18446, 19649, 20608, 22456, 22540, 25664, 25760, 28070, 31360, 32080, 36064, 36892, 39298, 44912, 45080, 46115, 51328, 51520, 56140, 64160, 64561, 72128, 73784, 78596, 89824, 90160, 92230, 98245, 103040, 112280, 128320, 129122, 144256, 147568, 157192, 179648, 180320, 184460, 196490, 224560, 256640, 258244, 295136, 314384, 322805, 359296, 360640, 368920, 392980, 449120, 451927, 516488, 590272, 628768, 645610, 721280, 737840, 785960, 898240, 903854, 1032976, 1180544, 1257536, 1291220, 1475680, 1571920, 1796480, 1807708, 2065952, 2259635, 2515072, 2582440, 2951360, 3143840, 3615416, 4131904, 4519270, 5164880, 5902720, 6287680, 7230832, 8263808, 9038540, 10329760, 12575360, 14461664, 18077080, 20659520, 28923328, 36154160, 41319040, 57846656, 72308320, 144616640, 289233280]

約数ペア:

[(1, 289233280), (2, 144616640), (4, 72308320), (5, 57846656), (7, 41319040), (8, 36154160), (10, 28923328), (14, 20659520), (16, 18077080), (20, 14461664), (23, 12575360), (28, 10329760), (32, 9038540), (35, 8263808), (40, 7230832), (46, 6287680), (49, 5902720), (56, 5164880), (64, 4519270), (70, 4131904), (80, 3615416), (92, 3143840), (98, 2951360), (112, 2582440), (115, 2515072), (128, 2259635), (140, 2065952), (160, 1807708), (161, 1796480), (184, 1571920), (196, 1475680), (224, 1291220), (230, 1257536), (245, 1180544), (280, 1032976), (320, 903854), (322, 898240), (368, 785960), (392, 737840), (401, 721280), (448, 645610), (460, 628768), (490, 590272), (560, 516488), (640, 451927), (644, 449120), (736, 392980), (784, 368920), (802, 360640), (805, 359296), (896, 322805), (920, 314384), (980, 295136), (1120, 258244), (1127, 256640), (1288, 224560), (1472, 196490), (1568, 184460), (1604, 180320), (1610, 179648), (1840, 157192), (1960, 147568), (2005, 144256), (2240, 129122), (2254, 128320), (2576, 112280), (2807, 103040), (2944, 98245), (3136, 92230), (3208, 90160), (3220, 89824), (3680, 78596), (3920, 73784), (4010, 72128), (4480, 64561), (4508, 64160), (5152, 56140), (5614, 51520), (5635, 51328), (6272, 46115), (6416, 45080), (6440, 44912), (7360, 39298), (7840, 36892), (8020, 36064), (9016, 32080), (9223, 31360), (10304, 28070), (11228, 25760), (11270, 25664), (12832, 22540), (12880, 22456), (14035, 20608), (14720, 19649), (15680, 18446), (16040, 18032)]