320068000

素因数分解:

$2^5\times 5^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 288

約数和(自身を含む): 968018688

約数和(自身を除く): 647950688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 49, 50, 56, 70, 71, 80, 92, 98, 100, 112, 115, 125, 140, 142, 160, 161, 175, 184, 196, 200, 224, 230, 245, 250, 280, 284, 322, 350, 355, 368, 392, 400, 460, 490, 497, 500, 560, 568, 575, 644, 700, 710, 736, 784, 800, 805, 875, 920, 980, 994, 1000, 1120, 1127, 1136, 1150, 1225, 1288, 1400, 1420, 1568, 1610, 1633, 1750, 1775, 1840, 1960, 1988, 2000, 2254, 2272, 2300, 2450, 2485, 2576, 2800, 2840, 2875, 3220, 3266, 3479, 3500, 3550, 3680, 3920, 3976, 4000, 4025, 4508, 4600, 4900, 4970, 5152, 5600, 5635, 5680, 5750, 6125, 6440, 6532, 6958, 7000, 7100, 7840, 7952, 8050, 8165, 8875, 9016, 9200, 9800, 9940, 11270, 11360, 11431, 11500, 12250, 12425, 12880, 13064, 13916, 14000, 14200, 15904, 16100, 16330, 17395, 17750, 18032, 18400, 19600, 19880, 20125, 22540, 22862, 23000, 24500, 24850, 25760, 26128, 27832, 28000, 28175, 28400, 32200, 32660, 34790, 35500, 36064, 39200, 39760, 40250, 40825, 45080, 45724, 46000, 49000, 49700, 52256, 55664, 56350, 56800, 57155, 62125, 64400, 65320, 69580, 71000, 79520, 80017, 80500, 81650, 86975, 90160, 91448, 92000, 98000, 99400, 111328, 112700, 114310, 124250, 128800, 130640, 139160, 140875, 142000, 160034, 161000, 163300, 173950, 180320, 182896, 196000, 198800, 204125, 225400, 228620, 248500, 261280, 278320, 281750, 284000, 285775, 320068, 322000, 326600, 347900, 365792, 397600, 400085, 408250, 434875, 450800, 457240, 497000, 556640, 563500, 571550, 640136, 644000, 653200, 695800, 800170, 816500, 869750, 901600, 914480, 994000, 1127000, 1143100, 1280272, 1306400, 1391600, 1428875, 1600340, 1633000, 1739500, 1828960, 1988000, 2000425, 2254000, 2286200, 2560544, 2783200, 2857750, 3200680, 3266000, 3479000, 4000850, 4508000, 4572400, 5715500, 6401360, 6532000, 6958000, 8001700, 9144800, 10002125, 11431000, 12802720, 13916000, 16003400, 20004250, 22862000, 32006800, 40008500, 45724000, 64013600, 80017000, 160034000, 320068000]

約数ペア:

[(1, 320068000), (2, 160034000), (4, 80017000), (5, 64013600), (7, 45724000), (8, 40008500), (10, 32006800), (14, 22862000), (16, 20004250), (20, 16003400), (23, 13916000), (25, 12802720), (28, 11431000), (32, 10002125), (35, 9144800), (40, 8001700), (46, 6958000), (49, 6532000), (50, 6401360), (56, 5715500), (70, 4572400), (71, 4508000), (80, 4000850), (92, 3479000), (98, 3266000), (100, 3200680), (112, 2857750), (115, 2783200), (125, 2560544), (140, 2286200), (142, 2254000), (160, 2000425), (161, 1988000), (175, 1828960), (184, 1739500), (196, 1633000), (200, 1600340), (224, 1428875), (230, 1391600), (245, 1306400), (250, 1280272), (280, 1143100), (284, 1127000), (322, 994000), (350, 914480), (355, 901600), (368, 869750), (392, 816500), (400, 800170), (460, 695800), (490, 653200), (497, 644000), (500, 640136), (560, 571550), (568, 563500), (575, 556640), (644, 497000), (700, 457240), (710, 450800), (736, 434875), (784, 408250), (800, 400085), (805, 397600), (875, 365792), (920, 347900), (980, 326600), (994, 322000), (1000, 320068), (1120, 285775), (1127, 284000), (1136, 281750), (1150, 278320), (1225, 261280), (1288, 248500), (1400, 228620), (1420, 225400), (1568, 204125), (1610, 198800), (1633, 196000), (1750, 182896), (1775, 180320), (1840, 173950), (1960, 163300), (1988, 161000), (2000, 160034), (2254, 142000), (2272, 140875), (2300, 139160), (2450, 130640), (2485, 128800), (2576, 124250), (2800, 114310), (2840, 112700), (2875, 111328), (3220, 99400), (3266, 98000), (3479, 92000), (3500, 91448), (3550, 90160), (3680, 86975), (3920, 81650), (3976, 80500), (4000, 80017), (4025, 79520), (4508, 71000), (4600, 69580), (4900, 65320), (4970, 64400), (5152, 62125), (5600, 57155), (5635, 56800), (5680, 56350), (5750, 55664), (6125, 52256), (6440, 49700), (6532, 49000), (6958, 46000), (7000, 45724), (7100, 45080), (7840, 40825), (7952, 40250), (8050, 39760), (8165, 39200), (8875, 36064), (9016, 35500), (9200, 34790), (9800, 32660), (9940, 32200), (11270, 28400), (11360, 28175), (11431, 28000), (11500, 27832), (12250, 26128), (12425, 25760), (12880, 24850), (13064, 24500), (13916, 23000), (14000, 22862), (14200, 22540), (15904, 20125), (16100, 19880), (16330, 19600), (17395, 18400), (17750, 18032)]