28971000

素因数分解:

$2^3\times 3^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:96

約数の個数: 256

約数和(自身を含む): 106704000

約数和(自身を除く): 77733000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 29, 30, 36, 37, 40, 45, 50, 54, 58, 60, 72, 74, 75, 87, 90, 100, 108, 111, 116, 120, 125, 135, 145, 148, 150, 174, 180, 185, 200, 216, 222, 225, 232, 250, 261, 270, 290, 296, 300, 333, 348, 360, 370, 375, 435, 444, 450, 500, 522, 540, 555, 580, 600, 666, 675, 696, 725, 740, 750, 783, 870, 888, 900, 925, 999, 1000, 1044, 1073, 1080, 1110, 1125, 1160, 1305, 1332, 1350, 1450, 1480, 1500, 1566, 1665, 1740, 1800, 1850, 1998, 2088, 2146, 2175, 2220, 2250, 2610, 2664, 2700, 2775, 2900, 3000, 3132, 3219, 3330, 3375, 3480, 3625, 3700, 3915, 3996, 4292, 4350, 4440, 4500, 4625, 4995, 5220, 5365, 5400, 5550, 5800, 6264, 6438, 6525, 6660, 6750, 7250, 7400, 7830, 7992, 8325, 8584, 8700, 9000, 9250, 9657, 9990, 10440, 10730, 10875, 11100, 12876, 13050, 13320, 13500, 13875, 14500, 15660, 16095, 16650, 17400, 18500, 19314, 19575, 19980, 21460, 21750, 22200, 24975, 25752, 26100, 26825, 27000, 27750, 28971, 29000, 31320, 32190, 32625, 33300, 37000, 38628, 39150, 39960, 41625, 42920, 43500, 48285, 49950, 52200, 53650, 55500, 57942, 64380, 65250, 66600, 77256, 78300, 80475, 83250, 87000, 96570, 97875, 99900, 107300, 111000, 115884, 124875, 128760, 130500, 134125, 144855, 156600, 160950, 166500, 193140, 195750, 199800, 214600, 231768, 241425, 249750, 261000, 268250, 289710, 321900, 333000, 386280, 391500, 402375, 482850, 499500, 536500, 579420, 643800, 724275, 783000, 804750, 965700, 999000, 1073000, 1158840, 1207125, 1448550, 1609500, 1931400, 2414250, 2897100, 3219000, 3621375, 4828500, 5794200, 7242750, 9657000, 14485500, 28971000]

約数ペア:

[(1, 28971000), (2, 14485500), (3, 9657000), (4, 7242750), (5, 5794200), (6, 4828500), (8, 3621375), (9, 3219000), (10, 2897100), (12, 2414250), (15, 1931400), (18, 1609500), (20, 1448550), (24, 1207125), (25, 1158840), (27, 1073000), (29, 999000), (30, 965700), (36, 804750), (37, 783000), (40, 724275), (45, 643800), (50, 579420), (54, 536500), (58, 499500), (60, 482850), (72, 402375), (74, 391500), (75, 386280), (87, 333000), (90, 321900), (100, 289710), (108, 268250), (111, 261000), (116, 249750), (120, 241425), (125, 231768), (135, 214600), (145, 199800), (148, 195750), (150, 193140), (174, 166500), (180, 160950), (185, 156600), (200, 144855), (216, 134125), (222, 130500), (225, 128760), (232, 124875), (250, 115884), (261, 111000), (270, 107300), (290, 99900), (296, 97875), (300, 96570), (333, 87000), (348, 83250), (360, 80475), (370, 78300), (375, 77256), (435, 66600), (444, 65250), (450, 64380), (500, 57942), (522, 55500), (540, 53650), (555, 52200), (580, 49950), (600, 48285), (666, 43500), (675, 42920), (696, 41625), (725, 39960), (740, 39150), (750, 38628), (783, 37000), (870, 33300), (888, 32625), (900, 32190), (925, 31320), (999, 29000), (1000, 28971), (1044, 27750), (1073, 27000), (1080, 26825), (1110, 26100), (1125, 25752), (1160, 24975), (1305, 22200), (1332, 21750), (1350, 21460), (1450, 19980), (1480, 19575), (1500, 19314), (1566, 18500), (1665, 17400), (1740, 16650), (1800, 16095), (1850, 15660), (1998, 14500), (2088, 13875), (2146, 13500), (2175, 13320), (2220, 13050), (2250, 12876), (2610, 11100), (2664, 10875), (2700, 10730), (2775, 10440), (2900, 9990), (3000, 9657), (3132, 9250), (3219, 9000), (3330, 8700), (3375, 8584), (3480, 8325), (3625, 7992), (3700, 7830), (3915, 7400), (3996, 7250), (4292, 6750), (4350, 6660), (4440, 6525), (4500, 6438), (4625, 6264), (4995, 5800), (5220, 5550), (5365, 5400)]