285720912

素因数分解:

$2^4\times 3^3\times {\mathrm{421}}^1\times {\mathrm{1571}}^1$

素因数の和:2009

約数の個数: 80

約数和(自身を含む): 822596160

約数和(自身を除く): 536875248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 421, 432, 842, 1263, 1571, 1684, 2526, 3142, 3368, 3789, 4713, 5052, 6284, 6736, 7578, 9426, 10104, 11367, 12568, 14139, 15156, 18852, 20208, 22734, 25136, 28278, 30312, 37704, 42417, 45468, 56556, 60624, 75408, 84834, 90936, 113112, 169668, 181872, 226224, 339336, 661391, 678672, 1322782, 1984173, 2645564, 3968346, 5291128, 5952519, 7936692, 10582256, 11905038, 15873384, 17857557, 23810076, 31746768, 35715114, 47620152, 71430228, 95240304, 142860456, 285720912]

約数ペア:

[(1, 285720912), (2, 142860456), (3, 95240304), (4, 71430228), (6, 47620152), (8, 35715114), (9, 31746768), (12, 23810076), (16, 17857557), (18, 15873384), (24, 11905038), (27, 10582256), (36, 7936692), (48, 5952519), (54, 5291128), (72, 3968346), (108, 2645564), (144, 1984173), (216, 1322782), (421, 678672), (432, 661391), (842, 339336), (1263, 226224), (1571, 181872), (1684, 169668), (2526, 113112), (3142, 90936), (3368, 84834), (3789, 75408), (4713, 60624), (5052, 56556), (6284, 45468), (6736, 42417), (7578, 37704), (9426, 30312), (10104, 28278), (11367, 25136), (12568, 22734), (14139, 20208), (15156, 18852)]