16656080

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{607}}^1$

素因数の和:641

約数の個数: 80

約数和(自身を含む): 45235200

約数和(自身を除く): 28579120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 607, 686, 784, 980, 1214, 1372, 1715, 1960, 2428, 2744, 3035, 3430, 3920, 4249, 4856, 5488, 6070, 6860, 8498, 9712, 12140, 13720, 16996, 21245, 24280, 27440, 29743, 33992, 42490, 48560, 59486, 67984, 84980, 118972, 148715, 169960, 208201, 237944, 297430, 339920, 416402, 475888, 594860, 832804, 1041005, 1189720, 1665608, 2082010, 2379440, 3331216, 4164020, 8328040, 16656080]

約数ペア:

[(1, 16656080), (2, 8328040), (4, 4164020), (5, 3331216), (7, 2379440), (8, 2082010), (10, 1665608), (14, 1189720), (16, 1041005), (20, 832804), (28, 594860), (35, 475888), (40, 416402), (49, 339920), (56, 297430), (70, 237944), (80, 208201), (98, 169960), (112, 148715), (140, 118972), (196, 84980), (245, 67984), (280, 59486), (343, 48560), (392, 42490), (490, 33992), (560, 29743), (607, 27440), (686, 24280), (784, 21245), (980, 16996), (1214, 13720), (1372, 12140), (1715, 9712), (1960, 8498), (2428, 6860), (2744, 6070), (3035, 5488), (3430, 4856), (3920, 4249)]