66640000

素因数分解:

$2^7\times 5^4\times 7^2\times {\mathrm{17}}^1$

素因数の和:65

約数の個数: 240

約数和(自身を含む): 204333030

約数和(自身を除く): 137693030

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 32, 34, 35, 40, 49, 50, 56, 64, 68, 70, 80, 85, 98, 100, 112, 119, 125, 128, 136, 140, 160, 170, 175, 196, 200, 224, 238, 245, 250, 272, 280, 320, 340, 350, 392, 400, 425, 448, 476, 490, 500, 544, 560, 595, 625, 640, 680, 700, 784, 800, 833, 850, 875, 896, 952, 980, 1000, 1088, 1120, 1190, 1225, 1250, 1360, 1400, 1568, 1600, 1666, 1700, 1750, 1904, 1960, 2000, 2125, 2176, 2240, 2380, 2450, 2500, 2720, 2800, 2975, 3136, 3200, 3332, 3400, 3500, 3808, 3920, 4000, 4165, 4250, 4375, 4480, 4760, 4900, 5000, 5440, 5600, 5950, 6125, 6272, 6664, 6800, 7000, 7616, 7840, 8000, 8330, 8500, 8750, 9520, 9800, 10000, 10625, 10880, 11200, 11900, 12250, 13328, 13600, 14000, 14875, 15232, 15680, 16000, 16660, 17000, 17500, 19040, 19600, 20000, 20825, 21250, 22400, 23800, 24500, 26656, 27200, 28000, 29750, 30625, 31360, 33320, 34000, 35000, 38080, 39200, 40000, 41650, 42500, 47600, 49000, 53312, 54400, 56000, 59500, 61250, 66640, 68000, 70000, 74375, 76160, 78400, 80000, 83300, 85000, 95200, 98000, 104125, 106624, 112000, 119000, 122500, 133280, 136000, 140000, 148750, 156800, 166600, 170000, 190400, 196000, 208250, 238000, 245000, 266560, 272000, 280000, 297500, 333200, 340000, 380800, 392000, 416500, 476000, 490000, 520625, 533120, 560000, 595000, 666400, 680000, 784000, 833000, 952000, 980000, 1041250, 1190000, 1332800, 1360000, 1666000, 1904000, 1960000, 2082500, 2380000, 2665600, 3332000, 3920000, 4165000, 4760000, 6664000, 8330000, 9520000, 13328000, 16660000, 33320000, 66640000]

約数ペア:

[(1, 66640000), (2, 33320000), (4, 16660000), (5, 13328000), (7, 9520000), (8, 8330000), (10, 6664000), (14, 4760000), (16, 4165000), (17, 3920000), (20, 3332000), (25, 2665600), (28, 2380000), (32, 2082500), (34, 1960000), (35, 1904000), (40, 1666000), (49, 1360000), (50, 1332800), (56, 1190000), (64, 1041250), (68, 980000), (70, 952000), (80, 833000), (85, 784000), (98, 680000), (100, 666400), (112, 595000), (119, 560000), (125, 533120), (128, 520625), (136, 490000), (140, 476000), (160, 416500), (170, 392000), (175, 380800), (196, 340000), (200, 333200), (224, 297500), (238, 280000), (245, 272000), (250, 266560), (272, 245000), (280, 238000), (320, 208250), (340, 196000), (350, 190400), (392, 170000), (400, 166600), (425, 156800), (448, 148750), (476, 140000), (490, 136000), (500, 133280), (544, 122500), (560, 119000), (595, 112000), (625, 106624), (640, 104125), (680, 98000), (700, 95200), (784, 85000), (800, 83300), (833, 80000), (850, 78400), (875, 76160), (896, 74375), (952, 70000), (980, 68000), (1000, 66640), (1088, 61250), (1120, 59500), (1190, 56000), (1225, 54400), (1250, 53312), (1360, 49000), (1400, 47600), (1568, 42500), (1600, 41650), (1666, 40000), (1700, 39200), (1750, 38080), (1904, 35000), (1960, 34000), (2000, 33320), (2125, 31360), (2176, 30625), (2240, 29750), (2380, 28000), (2450, 27200), (2500, 26656), (2720, 24500), (2800, 23800), (2975, 22400), (3136, 21250), (3200, 20825), (3332, 20000), (3400, 19600), (3500, 19040), (3808, 17500), (3920, 17000), (4000, 16660), (4165, 16000), (4250, 15680), (4375, 15232), (4480, 14875), (4760, 14000), (4900, 13600), (5000, 13328), (5440, 12250), (5600, 11900), (5950, 11200), (6125, 10880), (6272, 10625), (6664, 10000), (6800, 9800), (7000, 9520), (7616, 8750), (7840, 8500), (8000, 8330)]