81780000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 240

約数和(自身を含む): 283409280

約数和(自身を除く): 201629280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 29, 30, 32, 40, 47, 48, 50, 58, 60, 75, 80, 87, 94, 96, 100, 116, 120, 125, 141, 145, 150, 160, 174, 188, 200, 232, 235, 240, 250, 282, 290, 300, 348, 375, 376, 400, 435, 464, 470, 480, 500, 564, 580, 600, 625, 696, 705, 725, 750, 752, 800, 870, 928, 940, 1000, 1128, 1160, 1175, 1200, 1250, 1363, 1392, 1410, 1450, 1500, 1504, 1740, 1875, 1880, 2000, 2175, 2256, 2320, 2350, 2400, 2500, 2726, 2784, 2820, 2900, 3000, 3480, 3525, 3625, 3750, 3760, 4000, 4089, 4350, 4512, 4640, 4700, 5000, 5452, 5640, 5800, 5875, 6000, 6815, 6960, 7050, 7250, 7500, 7520, 8178, 8700, 9400, 10000, 10875, 10904, 11280, 11600, 11750, 12000, 13630, 13920, 14100, 14500, 15000, 16356, 17400, 17625, 18125, 18800, 20000, 20445, 21750, 21808, 22560, 23200, 23500, 27260, 28200, 29000, 29375, 30000, 32712, 34075, 34800, 35250, 36250, 37600, 40890, 43500, 43616, 47000, 54375, 54520, 56400, 58000, 58750, 60000, 65424, 68150, 69600, 70500, 72500, 81780, 87000, 88125, 94000, 102225, 108750, 109040, 112800, 116000, 117500, 130848, 136300, 141000, 145000, 163560, 170375, 174000, 176250, 188000, 204450, 217500, 218080, 235000, 272600, 282000, 290000, 327120, 340750, 348000, 352500, 408900, 435000, 470000, 511125, 545200, 564000, 580000, 654240, 681500, 705000, 817800, 851875, 870000, 940000, 1022250, 1090400, 1363000, 1410000, 1635600, 1703750, 1740000, 2044500, 2555625, 2726000, 2820000, 3271200, 3407500, 4089000, 5111250, 5452000, 6815000, 8178000, 10222500, 13630000, 16356000, 20445000, 27260000, 40890000, 81780000]

約数ペア:

[(1, 81780000), (2, 40890000), (3, 27260000), (4, 20445000), (5, 16356000), (6, 13630000), (8, 10222500), (10, 8178000), (12, 6815000), (15, 5452000), (16, 5111250), (20, 4089000), (24, 3407500), (25, 3271200), (29, 2820000), (30, 2726000), (32, 2555625), (40, 2044500), (47, 1740000), (48, 1703750), (50, 1635600), (58, 1410000), (60, 1363000), (75, 1090400), (80, 1022250), (87, 940000), (94, 870000), (96, 851875), (100, 817800), (116, 705000), (120, 681500), (125, 654240), (141, 580000), (145, 564000), (150, 545200), (160, 511125), (174, 470000), (188, 435000), (200, 408900), (232, 352500), (235, 348000), (240, 340750), (250, 327120), (282, 290000), (290, 282000), (300, 272600), (348, 235000), (375, 218080), (376, 217500), (400, 204450), (435, 188000), (464, 176250), (470, 174000), (480, 170375), (500, 163560), (564, 145000), (580, 141000), (600, 136300), (625, 130848), (696, 117500), (705, 116000), (725, 112800), (750, 109040), (752, 108750), (800, 102225), (870, 94000), (928, 88125), (940, 87000), (1000, 81780), (1128, 72500), (1160, 70500), (1175, 69600), (1200, 68150), (1250, 65424), (1363, 60000), (1392, 58750), (1410, 58000), (1450, 56400), (1500, 54520), (1504, 54375), (1740, 47000), (1875, 43616), (1880, 43500), (2000, 40890), (2175, 37600), (2256, 36250), (2320, 35250), (2350, 34800), (2400, 34075), (2500, 32712), (2726, 30000), (2784, 29375), (2820, 29000), (2900, 28200), (3000, 27260), (3480, 23500), (3525, 23200), (3625, 22560), (3750, 21808), (3760, 21750), (4000, 20445), (4089, 20000), (4350, 18800), (4512, 18125), (4640, 17625), (4700, 17400), (5000, 16356), (5452, 15000), (5640, 14500), (5800, 14100), (5875, 13920), (6000, 13630), (6815, 12000), (6960, 11750), (7050, 11600), (7250, 11280), (7500, 10904), (7520, 10875), (8178, 10000), (8700, 9400)]