1780808960

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{28393}}^1$

素因数の和:28428

約数の個数: 108

約数和(自身を含む): 4962192228

約数和(自身を除く): 3181383268

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 8960, 12544, 15680, 28393, 31360, 56786, 62720, 113572, 141965, 198751, 227144, 283930, 397502, 454288, 567860, 795004, 908576, 993755, 1135720, 1391257, 1590008, 1817152, 1987510, 2271440, 2782514, 3180016, 3634304, 3975020, 4542880, 5565028, 6360032, 6956285, 7268608, 7950040, 9085760, 11130056, 12720064, 13912570, 15900080, 18171520, 22260112, 25440128, 27825140, 31800160, 36343040, 44520224, 50880256, 55650280, 63600320, 89040448, 111300560, 127200640, 178080896, 222601120, 254401280, 356161792, 445202240, 890404480, 1780808960]

約数ペア:

[(1, 1780808960), (2, 890404480), (4, 445202240), (5, 356161792), (7, 254401280), (8, 222601120), (10, 178080896), (14, 127200640), (16, 111300560), (20, 89040448), (28, 63600320), (32, 55650280), (35, 50880256), (40, 44520224), (49, 36343040), (56, 31800160), (64, 27825140), (70, 25440128), (80, 22260112), (98, 18171520), (112, 15900080), (128, 13912570), (140, 12720064), (160, 11130056), (196, 9085760), (224, 7950040), (245, 7268608), (256, 6956285), (280, 6360032), (320, 5565028), (392, 4542880), (448, 3975020), (490, 3634304), (560, 3180016), (640, 2782514), (784, 2271440), (896, 1987510), (980, 1817152), (1120, 1590008), (1280, 1391257), (1568, 1135720), (1792, 993755), (1960, 908576), (2240, 795004), (3136, 567860), (3920, 454288), (4480, 397502), (6272, 283930), (7840, 227144), (8960, 198751), (12544, 141965), (15680, 113572), (28393, 62720), (31360, 56786)]