27776000

素因数分解:

$2^{10}\times 5^3\times 7^1\times {\mathrm{31}}^1$

素因数の和:73

約数の個数: 176

約数和(自身を含む): 81748992

約数和(自身を除く): 53972992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 64, 70, 80, 100, 112, 124, 125, 128, 140, 155, 160, 175, 200, 217, 224, 248, 250, 256, 280, 310, 320, 350, 400, 434, 448, 496, 500, 512, 560, 620, 640, 700, 775, 800, 868, 875, 896, 992, 1000, 1024, 1085, 1120, 1240, 1280, 1400, 1550, 1600, 1736, 1750, 1792, 1984, 2000, 2170, 2240, 2480, 2560, 2800, 3100, 3200, 3472, 3500, 3584, 3875, 3968, 4000, 4340, 4480, 4960, 5120, 5425, 5600, 6200, 6400, 6944, 7000, 7168, 7750, 7936, 8000, 8680, 8960, 9920, 10850, 11200, 12400, 12800, 13888, 14000, 15500, 15872, 16000, 17360, 17920, 19840, 21700, 22400, 24800, 25600, 27125, 27776, 28000, 31000, 31744, 32000, 34720, 35840, 39680, 43400, 44800, 49600, 54250, 55552, 56000, 62000, 64000, 69440, 79360, 86800, 89600, 99200, 108500, 111104, 112000, 124000, 128000, 138880, 158720, 173600, 179200, 198400, 217000, 222208, 224000, 248000, 277760, 347200, 396800, 434000, 448000, 496000, 555520, 694400, 793600, 868000, 896000, 992000, 1111040, 1388800, 1736000, 1984000, 2777600, 3472000, 3968000, 5555200, 6944000, 13888000, 27776000]

約数ペア:

[(1, 27776000), (2, 13888000), (4, 6944000), (5, 5555200), (7, 3968000), (8, 3472000), (10, 2777600), (14, 1984000), (16, 1736000), (20, 1388800), (25, 1111040), (28, 992000), (31, 896000), (32, 868000), (35, 793600), (40, 694400), (50, 555520), (56, 496000), (62, 448000), (64, 434000), (70, 396800), (80, 347200), (100, 277760), (112, 248000), (124, 224000), (125, 222208), (128, 217000), (140, 198400), (155, 179200), (160, 173600), (175, 158720), (200, 138880), (217, 128000), (224, 124000), (248, 112000), (250, 111104), (256, 108500), (280, 99200), (310, 89600), (320, 86800), (350, 79360), (400, 69440), (434, 64000), (448, 62000), (496, 56000), (500, 55552), (512, 54250), (560, 49600), (620, 44800), (640, 43400), (700, 39680), (775, 35840), (800, 34720), (868, 32000), (875, 31744), (896, 31000), (992, 28000), (1000, 27776), (1024, 27125), (1085, 25600), (1120, 24800), (1240, 22400), (1280, 21700), (1400, 19840), (1550, 17920), (1600, 17360), (1736, 16000), (1750, 15872), (1792, 15500), (1984, 14000), (2000, 13888), (2170, 12800), (2240, 12400), (2480, 11200), (2560, 10850), (2800, 9920), (3100, 8960), (3200, 8680), (3472, 8000), (3500, 7936), (3584, 7750), (3875, 7168), (3968, 7000), (4000, 6944), (4340, 6400), (4480, 6200), (4960, 5600), (5120, 5425)]